Jennifer Lopez looked hot, hot, hot in Las Vegas for the opening night of her residency at Planet Hollywood and even Justin Bieber’s jaw dropped!
The singer, 46, looked flawless in a number of risqué outfits for her first night on Jan. 20.
Most of her looks were practically naked as she grinded on stage.
At one point, Bieber’s mouth even hit the ground as he watched the sexy songstress!
Lopez also looked smokin’ after the show with her boyfriend, Casper Smart!
According to RadarOnline, Jenny from the block recently got a little nip and tuck with a boob job before her big gig in Sin City.
"She's definitely had her breasts done and whoever did [it] should be congratulated for doing a fine job!" New Jersey plastic surgeon Dr. Lyle M. Back, who has not treated Lopez, told RadarOnline. "She looks like she's definitely on top of her game," he added.