The Rolling Stones just made their big return to the United States last week to launch their new album "Hackney Diamonds" and to make their comeback even special, they called out a very special guest and the crowd couldn't believe their eyes for the harmony that the two musical acts brought together.

According to Billboard, the legendary rock band held a very intimate launching event at the Racket in New York City. Frontman Mick Jagger told the crowd that they always launch their album in the Big Apple as they have done several times in the past.

"We were missing launches so much that we had to make another album and come back and re-launch it," he said.

Throughout the evening, the Rolling Stones were able to play seven songs for the crowd including "Shattered," "Jumpin' Jack Flash," "Tumbling Dice," "Angry," and "Bite My Head Off."

The small venue only accommodated a small number of people, but there were major celebrities spotted around the area like Daniel Craig, Mary Kate Olsen, Jimmy Fallon, Elvis Costello, Questlove, and Diana Krall.

The Rolling Stones Bring Out Lady Gaga For a Surprise Performance

In one moment, the band had already left the stage and the crowd initially thought that the show was over, but they quickly realized that there would be an encore.

For the final track, frontman Mick Jagger decided to tag Lady Gaga along to perform their collaborative track "Sweet Sounds of Heaven."

READ ALSO: Rolling Stones Releasing NEW Album After 'Hackney Diamonds'? Keith Richard Teases Fans About Next Project

The musician was feeling her 80s fantasy as she wore a red and black body suit seemingly inspired by what Jagger used to wear back in the day.

She later flaunted her gospel-inspired voice and dueted with Jagger throughout the song.

Lady Gaga Freestyled 'Sweet Sounds of Heaven'

Amid the release of her new song with the Rolling Stones, Lady Gaga took to her official Instagram account to share details about their collaboration.

She told her followers that she was at the Henson Studios in Los Angeles, California, when all of a sudden, someone told her that Mick Jagger wanted to see her.

The singer then walked down the hallway and entered a room where she described being transported into the 70s as legendary musicians like Jagger, Keith Richards, Ronnie Wood, Stevie Wonder, and Steve Jordan were all in one room.

Lady Gaga was then given a microphone and Jagger told her to do her thing, so she immediately sang and freestyled the track.

READ MORE: Lady Gaga Shares Details About Rolling Stones Collaboration, Says She Only Freestyled 'Sweet Sounds of Heaven'

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