Sean Kingston and Chris Brown were in Las Vegas on Memorial Day Weekend working and partying.
Breezy was spotted with girlfriend Karrueche Tran hosting Memorial Day Sunday at the Palms Pool.
During his performance, the R&B singer brought out Sean Kingston to perform their duet “Beat It.”
Chris Brown, who recently split with Rihanna, has reportedly moved back in his ex-girlfriend Karrueche Tran into his Hollywood Hills mansion.
Sean Kingston is currently readying his upcoming album Back 2 Life, due later this year.
Watch Sean Kingston and Chris Brown performing “Beat It” in Las Vegas below.