Khloe Kardashian showcased her lithe legs as she boarded a boat in the Italian village of Portofino on Saturday, the day before her sister Kourtney is set to wed Travis Barker.

The reality star, 37, looked sensational as she strutted about the harbour in a thigh-skimming chocolate brown mini dress with statement knee high boots.

Her show-stopping ensemble featured a low-cut bardot neckline with and underbust cut-out as it hugged her famous curves.

Strut: Khloe Kardashian, 37, displayed her lithe legs in a thigh-skimming mini dress and knee high boots ahead of her sister Kourtney’s Italian wedding to Travis Barker on Saturday

Khloe boosted her height in the tan suede boots that laced all the way up her legs with a leather tie.

She wore her bright blonde locks in a half-up half-down hairstyle, worn in beachy waves and shielded her eyes with reflective sunglᴀsses

To complete her look, Khloe carried a miniature light brown handbag and added a pair of chunky gold earrings and matching cuff bangles.

Sensational: Her show-stopping ensemble featured a low-cut bardot neckline with and underbust cut-out as it hugged her famous curves

Jaw-dropping: To complete her look, Khloe carried a miniature light brown handbag and added a pair of chunky gold earrings and matching cuff bangles

Khloe was joined by her younger sister, Kylie, 24, and her daughter, Stormi, as the famous family took to the water in a yacht.

The makeup mogul slipped into a stunning floral printed dress whilst Stomri, who she shares with Travis Scott, was dressed in a white Dolce and Gabbana ensemble.

Stepping on the boat, they were joined by the rest of their family, including Kris Jenner and the bride-to-be Kourtney.

Family affair: Khloe was joined by her younger sister, Kylie, 24, and her daughter, Stormi, as the famous family took to the water in a yacht

The intimate wedding of Kourtney and Travis is due to be held tomorrow on the secluded terrace of a medieval castle, MailOnline can reveal.

Final preparations were today underway to prepare the romantic venue behind the high walls of the ancient Castello Brown fortress in the Italian village of Portofino.

Staff have been sworn to secrecy and made to sign legal agreements, forbidding them from talking about the wedding, which has been billed as the showbiz event of the year.

The ceremony was widely tipped to take place sometime this weekend, but we can exclusively reveal that guests will gather tomorrow to watch the couple tie the knot.

Fun-filled: Stepping on the boat, they were joined by the rest of their family, including Kris Jenner and the bride-to-be Kourtney

The castle which was once used as a stop off point for Richard the Lionheart on his way to the Crusades normally operates as a museum for tourists.

But the entire building on a hilltop overlooking the historic seaside village near Genoa has been sealed off since last Wednesday after the Kardashians hired it for a week.

A steep path leading up to the castle from Portofino harbour has remained open so that locals and visitors can still access the rocky coastline on the seaward side of the fortress.

Sisters: The intimate wedding of Kourtney and Travis is due to be held tomorrow on the secluded terrace of a medieval castle, MailOnline can reveal

But signs have now gone up saying that the path will be closed on Sunday and re-opened on Monday in an apparent measure to guarantee privacy for wedding guests.

Kourtney and Blink-182 drummer Travis are believed to be staying on the 213ft superyacht Regina D’Italia which is moored just offshore from the tourist H๏τspot fishing village.

It is believed that the couple will be ferried to their wedding venue by tender boat, arriving at a small private jetty on the secluded cove at the rear of the castle.