With the help of W Hotels and American Express, Alicia Keys hosted an album release party for her new album The Element of Freedom at Aqua Wednesday (Dec 9) in London. The R&B singer/songwriter also performed at the event.

Alicia was recently quoted as saying she thinks of Beyonce as a sister. She and Bey did a song together called “Put It In A Love Song” (listen here) for The Element of Freedom and Alicia says the pair had a lot of fun.

“Her and I together was like reunited sisters – most people get in the studio and don’t get a chance to really collaborate, be in one room, we were in one room having a ball,” she gushed.

PHOTOS: GETTY / WIRE