Jennifer Lopez Kicks Off 'All I Have' Las Vegas Residency with Surprise Guests!

Jennifer Lopez fiercely hits the stage during the launch of her residency Jennifer Lopez: All I Have held at The Axis at the Planet Hollywood Resort & Casino on Wednesday (January 20) in Las Vegas.

The 46-year-old superstar brought out a few surprise guests, including Ja Rule (“I’m Real” and “Ain’t It Funny”), Ne-Yo (“All I Have”), Pitbull (“On the Floor”) and T.I. (A.K.A.), to perform some of their hit collaborations.

PHOTOS: Check out the latest pics of Jennifer Lopez

That same evening, Jennifer switched into a white dress to join her beau Casper Smart at the All I Have After Party, which also celebrated the grand opening of Mr. Chow at Caesars Palace.

FYI: Jennifer is wearing a Lilly e Violetta fur coat, custom designed looks by Zuhair Murad, and custom costumes designed by Versace, which were embellished with Swarovski crystals. She is wearing a Gabriela Cadena dress with Pasquale Bruni and Bavna diamond rings at the after party.

35+ pictures inside of Jennifer Lopez and others at the launch of her residency…