Stunning: The 35-year-old superstar celebrated the release of she and Tony Bennett’s album Love For Sale with a special live performance, during which she wore a glamorous couture gown with a leg slit

‘Jazz music is the greatest music that I believe exists in America and for us to all to be experiencing it together and coming together to watch it, sing it, to listen to it, to cheer for it…

‘This is all that I could hope for. I just want to express my deep gratitude to all the fans that were here tonight.’

Caroline Puechoultres, Chief Customer Officer for Unibail-Rodamco-Westfield, also commented: ‘Whether physically or virtually, Westfield offers the power to bring people together and share unique experiences across a global network.’

‘A huge thank you to Lady Gaga for never failing to deliver the best for her fans…

Surprise: Gaga delighted her fans with a special live performance to celebrate she and Tony Bennett ‘s album Love For Sale

Racy: The superstar showed off her stage prowess in another daring ensemble

Sensational: Accompanied by a full band, Gaga performed some of the tracks off her latest album to celebrate its October 1 release

‘Partnering with this music icon has allowed Little Monsters and Westfield customers from all over the world to come together to celebrate her forthcoming album with Tony Bennett, Love for Sale, through an amazing 360 experience.’

‘We expect to see many more partnerships of this kind as brands and artists continue to raise the bar in delivering the newest and best experiences for their audiences.’

Accompanied by a full band, Gaga performed some of the tracks off her latest album to celebrate its October 1 release.

The famed singer was seen modeling an ornate sparkly gown that fell off the shoulders and included a dramatic sash on one sleeve.

Love for sale: The Star is Born singer held up a white rose on stage belting out songs

Special: Speaking about the event, Gaga said: ‘It’s so important to me to reunite with my fans after such a long time of not being able to sing for them’

The couture garment featured a high slit that exposed her fantastic legs when she worked the stage.

Playing up the ultra glamorous look she continued to wear her platinum tresses in an updo with soft tendrils framing her face.

Building momentum for her latest studio album she took to twitter as she wrote: ‘Join me today for my exclusive online performance brought to you by Westfield in celebration of Love For Sale!’

Belt it out: She was looking phenomenal on the stage

The works: The singer was joined by a full band onstage to sing jazz songs

BTS: Gaga is seen behind the stage getting ready to perform

Though the project is a collaboration with she and Bennett, the legendary 95-year-old crooner was not present as he recently retired from performing following an eight decade career.

The jazz album features 12 tracks that are covers of classic songs including some penned by Cole Porter for Frank Sinatra and Broadway tunes.

Gaga has two solo tracks on the album as does Bennett, and the record also features trumpet player Brian Newman who was present at the performance.

Gaga and Bennett first connected nearly a decade ago after the Fly Me to the Moon singer watched the popstar cover Orange Colored Sky by Nat King Cole at a charity event.

Amazing: Gaga has two solo tracks on the album as does Bennett, and the record also features trumpet player Brian Newman who was present at the performance

Thrilling: The Oscar-winner put on a showstopping performance

They teamed up in 2014 for their collaborative album Cheek to Cheek and then joined forces again on Love For Sale.

In February, Bennett’s family revealed his Alzheimer’s diagnosis. His wife Susan Crow told AARP magazine that he started to show signs in 2016 but began to decline two years later.

‘He’s not the old Tony anymore … But when he sings, he’s the old Tony,’ she said of his ability to dazzle on stage despite his diagnosis.

‘The fact that Tony sees me as a natural-born jazz singer is still something that I haven’t gotten over,’ Gaga said.