Jennifer Lopez wowed the audience with an array of stage costumes during the opening night of her new residency show, "Jennifer Lopez: All I Have," at Planet Hollywood Resort in Las Vegas.

Anyone who's anyone, from Justin Bieber to Rosie Huntington-Whiteley, was there.

Hours later, at the after party which was held at the latest Mr. Chow in Caesars Palace. Lopez accessorised with diamond jewelry by Pasquale Bruni and Bavna and Jimmy Choo pumps.