Lady Gaga gave her fans more than they bargained for on Monday night when she performed braless at the Vancouver Jazz Festival, alongside legendary crooner, Tony Bennett.

The 29-year-old took to the stage wearing a red halter-neck gown which had polka dots running throughout and showed off her curves.

Wrapping a red feathered jacket around herself as she belted out her hits, Lady Gaga wore statement eye make-up and wore her platinum blonde hair up in an elegant chignon.

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Taking a risk: Lady Gaga gave her fans more than they bargained for on Monday night when she performed braless at the Vancouver Jazz Festival, alongside legendary crooner, Tony Bennett

Vegas girl! The 29-year-old took to the stage wearing a red halter-neck gown which had polka dots running throughout and showed off her curves

She appeared to enjoy a whisky mid-song during the performance, telling a story about dive bars before saluting the crowd with a stiff drink.

The eccentric dresser switched up her look seven more times on the night, slipping into a sparkling silver plunging jumpsuit and jewelled headdress.

A third look consisted of a white sheer number and matching feathered jacket, complete with curly wig, while a fourth was a beaded silver keyhole number.

Glug: She appeared to enjoy a whisky mid-song during the performance, telling a story about dive bars before saluting the crowd with a stiff drink

Don’t mind them! The singer paused her performance to swig from her glass

Belting it out: The singer had 88-year-old legendary crooner Tony Bennett by her side

What a duet: She gave him a playful peck on the cheek at the end of one of their songs

She’ll take off: The 29-year-old shimmed her feathered jacket while on stage

With no expense during the flapper girl and Vegas showgirl performance, an iridescent sequin pearl gown was teamed with embellished eyebrows.

Taking her inspiration back to the 1920s, the Artpop singer wore a one-shoulder feathered mini with a matching ornate headpiece.

A final look saw her dazzle in caped diamante dress with oversized diamond earrings as she rested her head on 88-year-old Tony’s shoulder.

All that glitters… The eccentric dresser switched up her look seven more times on the night, slipping into a sparkling silver plunging jumpsuit and jewelled headdress

Metallic marvel: She threw out a variety of shapes as she danced around the stage

Move over Beyonce: She also wore a sexy sheer number as she waved her boa around

Getting into it: Lady Gaga topped off her look with a platinum blonde curly wig

Woop! The singing pair have become close on their Cheek To Cheek tour

May I have this dance? The pair pranced around the stage as they channelled old school Hollywood glamour

On Sunday, the singer took to Instagram to thank her fans for their support.

She wrote: ‘Thank you for making the 4 year anniversary of Born This Way so special for me. Your online listening party, the positive tweets about self-confidence and pride in ones identity, I felt the soul of our fan base strong.

‘And it wasn’t related to anything shallow, our bond is based on our values. We value love and compassion of all things. Which is what that album was about.

Key style: A fourth look was a beaded silver keyhole number – she showed off some leg as she say by the piano

All change: After strutting her stuff in sparkling beads, she switched up her look into a flapper-inspired mini dress

Praise: On Sunday, the singer took to Instagram to thank her fans for their support, writing: ‘Thank you for making the 4 year anniversary of Born This Way so special for me’

‘After a long tiring day I’m falling asleep soundly with you all in my heart xxoo

‘Go to bed dreaming of the Supreme Court legalizing LGBT marriage in America, doze in gratitude that today it was legalized in Ireland.

‘We are changing if slowly. And while actions are important, faith is too. Let’s keep our faith that change is possible, and keep our courage. Keep our bravery.’

Adding: ‘Your online listening party, the positive tweets about self-confidence and pride in ones identity, I felt the soul of our fan base strong’

What a gem! With no expense during the flapper girl and Vegas showgirl performance, an iridescent sequin pearl gown was teamed with embellished eyebrows

Cosy: A final look saw her dazzle in caped diamante dress with oversized diamond earrings as she rested her head on 88-year-old Tony’s shoulder

How much is too much? She topped off her look with oversized diamond earrings

Silly Lady: The songbird added pasties to this costume in an Instagram shot shared on Wednesday

More covered up: The Poker Face chart topper tried on a new look in another snap from Wednesday