The singer, 37, who recently kicked off a new run of her Jazz & Piano Las Vegas residency, dressed to impress in a shimmering grey strapless gown by Christian Siriano.

Sharing the snaps with her 56million followers, Lady Gaga wrote: ‘I can’t give you anything but love Sarah Vaughan style (look it up) thank you for a SOLD OUT WEEK Mama’s feet hurt’

It comes after Lady Gaga looked incredible in a bold makeup look as she modelled her latest clothing collection with Cotton On for their joint mental health campaign.

Stunning: Lady Gaga put on a glamorous display in a shimmering grey strapless gown as she posed for a slew of sizzling Instagram snaps on Monday

The singer caught the eye in bright yellow eyeshadow, with her platinum blonde hair styled into beachy waves for the stunning photoshoot.

She teamed the piece with a pair of jeans and a cap before layering over a denim jacket with a ‘Kinder, Braver, Together’ slogan across the back.

Lady Gaga launch the Born This Way Foundation with her mum Cynthia Bissett Germanotta in 2012, all of the profits from the collection will go to the charity.

‘We are constantly working to uplift the stories of young people worldwide, and through this partnership, we invite everyone to practice kindness and learn how to better support one another.

The two organisations came together to create a range of limited-edition products available from September 1 to October 10.

Lady Gaga’s mum and co-owner Cynthia said: ‘We are grateful for the support of Cotton On Foundation and the opportunity to expand our collective impact worldwide.

Sharing the snaps with her 56million followers, Lady Gaga wrote: ‘I can’t give you anything but love Sarah Vaughan style (look it up) thank you for a SOLD OUT WEEK Mama’s feet hurt’

‘Every day, we witness young people around the world leading and transforming the discussion around mental health and calling for increased resources to support themselves, their peers, and their communities.’

Peter Johnson, CEO of Cotton On added: ‘Cotton On’s purpose is to make a positive difference in people’s lives, and it is partnerships like this that will deliver significant impact on a global scale.

‘Born This Way Foundation, an organisation that shares our values, is a critical partner in making this goal a reality.’