In the past, Miley Cyrus has been known for her controversial on-stage behavior. During her Bangerz tour, she received criticism for groping her backup dancers and promoting drug use to her audience. However, during her recent Dead Petz club gigs in Chicago, Cyrus took things to a whole new level. She debuted some of her most outrageous outfits yet, including one revealing look that featured a fake penis. The performance at The Riviera Theatre was definitely one for the books.

Hitting headlines: Miley Cyrus performed the first date of her Dead Petz tour at The Riviera Theatre in Chicago on Thursday night in her most outrageous stage costumes yet

Miley Cyrus made headlines with her outrageous costumes during the opening night of her Dead Petz tour in Chicago’s The Riviera Theatre. The 22-year-old singer performed for a sold-out crowd and showcased songs from her latest album. During the show, she wore metallic bondage-style underwear, thigh-high boots, and flaunted a pair of fake breasts and a prosthetic penis. To top it off, she donned a glittery purple mullet wig while performing “Dooo It” and “F**kin F**ked Up.” For more news on Miley Cyrus and her wild on-stage antics, keep an eye out for her upcoming shows.

Everything on show: The 22-year-old flashed her bum in a skimpy gold leotard and glitter tights

The 22-year-old put everything on display as she showed off her derriere in a revealing gold leotard and sparkly tights.

Up close and personal: Miley's regular tour companion, 6ft7 dancer Amazon Ashley was also clad in some racy looks as she joined the former Disney star on stage

Getting to know Miley’s touring partner, the tall and striking dancer Amazon Ashley, who often accompanies the singer on stage in some daring outfits. The former Disney star is not alone in her bold fashion choices.

Controversial: Miley's favourite accessory seemed to be a huge prosthetic penis which she kept on for much of the gig

Miley Cyrus caused quite a stir during her performance as her go-to accessory appeared to be a massive fake genitalia that she donned for a significant portion of the show.

The celebrity maintained her trend of donning vibrant outfits during her performance, opting for a massive jovial sun costume matched with moon boots. Another outfit choice she wore was a revealing gold leotard embellished with the title of her tour. Miley’s regular stage partner, the towering 6ft7 dancer Amazon Ashley, also sported some daring outfits, appearing in silver leggings, gold dollar symbol pasties over her nipples, and a massive rainbow wig. Miley even went as far as to nuzzle her chest. The set design followed the lively theme as well, with large balloons floating around the theater and confetti raining down for the finale.

Rebel: At one point the controversial star strutted onto stage in little more than metallic bondage-style underwear and matching thigh-high boots, showing off a pair of fake boobs and the prosthetic penis

Rebel: At one point the controversial star strutted onto stage in little more than metallic bondage-style underwear and matching thigh-high boots, showing off a pair of fake boobs and the prosthetic penis

The rebellious celebrity made a grand entrance onto the stage wearing metallic bondage-inspired underwear and thigh-high boots. To top it off, they flaunted a set of prosthetic breasts and a fake penis, causing quite a stir amongst the audience.

Sing it : A glittery purple mullet wig was perched on top of her head, as the star belted out her new tracks including Dooo It' and F**kin F**ked Up

As she performed her latest hits such as “Dooo It” and “F**kin F**ked Up,” the celebrity wore a shiny, lavender mullet wig placed on her crown.

Signature style: Another look consisted of a skimpy gold leotard decorated with the name of her tour

Her distinct personal fashion included a second outfit that was a revealing gold leotard adorned with the title of her concert tour.

Mini tour: The star is performing six dates for the tour which follows her 23-track self-released album

The singer is embarking on a mini tour consisting of six shows in support of her latest album, which features 23 tracks and was self-released.

Let the sun shine: The star continued her run of colourful costumes by covering herself in a huge smiling sun teamed with moon boots

The sun is shining on the star once again with her latest vibrant outfit – a cheerful, grinning sun ensemble paired with quirky moon boots.

Colourful: Miley covered her face in glitter as she strutted around the confetti-strewn stage

Colourful: Miley covered her face in glitter as she strutted around the confetti-strewn stage

Miley added some sparkle to her look by covering her face with glitter while confidently strolling around the stage that was scattered with confetti.

In demand: Miley will take her tour, which also features The Flaming Lips, to Detroit, followed by Washington, New York and Philadelphia, before a final show in Boston on December 6

Miley Cyrus is currently on tour with The Flaming Lips and will be performing in several cities including Detroit, Washington, New York, Philadelphia, and Boston. Her previous tour, Bangerz, was quite controversial as she mimed a sexual act on stage while wearing a glittering leotard decorated with cannabis leaves. Despite complaints from some parents, concert promoters denied that her tour was in jeopardy, and Miley herself addressed the rumors on Twitter, warning her fans to “sit back, relax, and enjoy the show.”

Constant companion: Amazon Ashley danced her way through Miley's set as the pals got up close and personal

Amazon Ashley was a constant presence during Miley’s show, as the two friends danced together and enjoyed each other’s company up close.

One step further: Last year the former Hannah Montana star caused controversy during her epic Bangerz tour

Taking it up a notch: In the previous year, the ex-Hannah Montana sensation stirred up quite a buzz with her remarkable Bangerz tour.

Paying tribute: The singer made sure her pets were included in her stage costumes, with her dog Milky's name included on one of her ensembles

Honoring her furry friends, the vocalist ensured that they were part of her performance attire, as she had incorporated her canine companion Milky’s name onto one of her costumes.

Doing it her way: It's little surprise the star has gone all out with her latest tour, after releasing the accompanying album away from the relative constraints her record label RCA

Doing it her way: It's little surprise the star has gone all out with her latest tour, after releasing the accompanying album away from the relative constraints her record label RCA

Taking matters into her own hands, the celebrity has put on a spectacular show for her latest tour. With an album release that was not bound by the limitations of her record label RCA, it’s no wonder she’s pulling out all the stops.

Acting out? She told the New York Times of the  free Soundcloud release that her new music 'was not meant to be a rebellion. It was meant to be a gift'

Throwing a fit? Nope. According to the New York Times, the singer clarified that her latest Soundcloud release was not intended to be an act of rebellion but rather a present.

In the spotlight: Miley's tour dates have no age restrictions according to ticket vendor sites

Miley Cyrus’ tour dates have been making waves in the entertainment industry as ticket vendor sites have confirmed that there are no age restrictions for her shows. This means that fans of all ages can enjoy her performances without any limits.

All that glitters: The Wrecking Ball star is no stranger to controversy following her infamous VMAs performance and her 2014 Bangerz tour

Miley Cyrus is a celebrity who often finds herself in the midst of controversy, owing to her notorious VMAs performance and 2014 Bangerz tour. Despite her fame and success, she is no stranger to negative press coverage.

What a crowd: The gig-goers were showered in confetti and colourful balloons during the finale

The audience at the concert were treated to a spectacular display of confetti and colorful balloons as the show came to an end. The artist’s latest tour has left no age restrictions on its venues, which is not surprising considering she self-released the album in September without the limitations of her record label RCA. The artist explained that the 23-track album, which was released for free on Soundcloud, was not created as a form of rebellion, but rather as a gift. However, she did reveal that her label did not have the opportunity to listen to the record until it was completed.

Giving the audience an eyeful: Miley strutted around in a series of glittery leotards

Miley Cyrus flaunted her outfits with sparkly leotards while moving around on stage, providing the audience with a spectacular view.

What a performance: Miley has been joined on the tour by her friends and album collaborators The Flaming Lips

Miley’s tour has been quite a show, especially since her pals and co-creators of her album, The Flaming Lips, have been by her side.

Work it: The star stomped around the stage in her daring outfits as she belted out her latest tunes

Get into it: The celebrity strutted across the platform in her bold ensembles while delivering her fresh melodies.

Quite the picture: Miley provided plenty of photo ops in her outlandish costumes

Miley Cyrus certainly knows how to put on a show with her wild and eccentric fashion choices, creating a plethora of opportunities for photographers to capture her unique style.

Butter wouldn't melt: Another costume had the star dressed as a stick of butter

The celebrity donned another outfit where he looked innocent and adorable. This time, he was dressed as a stick of butter.

All change: Miley also dressed as a baby and a sparkling moon during the epic gig

All change: Miley also dressed as a baby and a sparkling moon during the epic gig

Miley Cyrus underwent several transformations during her performance, including donning a baby costume and appearing as a glittering moon.

Another look: A gold bra which barely covered her assets and high-waisted underwear made up another costume

Alternative view: She donned a shiny gold bra that left little to the imagination and paired it with high-waisted underwear for her next outfit.

Where's the rest of it? Miley wore a shredded pvc white skirt with her Milky Milk costume

Where's the rest of it? Miley wore a shredded pvc white skirt with her Milky Milk costume

Hey, where’s the rest of the outfit? Miley rocked a killer look by pairing a Milky Milk costume with a shredded white PVC skirt.

Sparkles: A pair of glittery silver cowboy boots finished off the ensemble

The outfit was completed by a dazzling pair of silver cowboy boots that shone with glitter. She admitted that her team had not listened to the record until it was finished, and she acknowledged that she would never be an artist who conforms to the mainstream. She believes that this approach is not the way to grow and would take her backwards. She went on to say that her team was amazed at the freedom she has been granted, especially as a woman at her level. She can create whatever music she desires and has complete autonomy over her work. She is thrilled to be able to make the music she wants to make without any restrictions.

Fancy a snack? The star appeared to struggle to move in her butter costume

Fancy a snack? The star appeared to struggle to move in her butter costume

Feeling peckish? The celebrity seemed to have difficulty moving around while wearing her buttery outfit.

Old pals: Miley joined her regular collaborators the Flaming Lips for a few tracks

Long-time buddies: Miley Cyrus teamed up once again with her frequent collaborators, the Flaming Lips, to produce a couple of new songs.

Barely there: The star wasn't afraid, as usual, to flash plenty of flesh on stage

Barely there: The star wasn't afraid, as usual, to flash plenty of flesh on stage

With her typical boldness, the celebrity confidently revealed an ample amount of skin during her performance.

Reach for the stars: Miley's team had obviously been busy preparing her elaborate costumes

Miley’s crew had definitely been hard at work putting together her elaborate outfits to help her shine like a star.

Changing it up: The style chameleon went through multiple costume changes during the epic show

Changing it up: The style chameleon went through multiple costume changes during the epic show

Spicing things up: The fashion chameleon displayed various attires throughout the grand performance.

Moonman: At one point she covered up in a silver space suit as she sung in front of a huge glitterball

During her performance, the artist known as Moonman adorned a silver space suit and sang in front of a massive glitterball.

Big girls don't cry: Miley also slipped into a baby costume, complete with huge diaper and bonnet

Miley Cyrus dressed up in a baby outfit, which included an oversized diaper and a bonnet. It’s important to remember that strong women don’t shed tears easily.

Making her exit: The star showed off her curves in her barely-there look as she wowed the Chicago crowd

As she bid farewell, the celebrity flaunted her stunning figure in a revealing outfit that left little to the imagination, leaving the audience in Chicago captivated and impressed.