The artist/producer donned a posh satin suit and held court with his wife, Alicia Keys.
Bally CEO Frédéric de Narp gave a speech expressing his excitement about the collaboration before guests partied at the hotel’s club, Public Arts.
A$AP Rocky, A$AP Ferg and Swizz’s pals Doug E. Fresh, Slick Rick and Vicious performed. Jermaine Dupri, 2 Chainz and Fabolous were also there.
Unfortunately, so was Scott Disick, who “arrived in a blacked-out van with a flat-screen that had karaoke. He entered with a plethora of girls and was throwing back drinks,” a spy said.