Iggy Azalea and Jennifer Lopez gave fans a treat during Chicago's B96 Summer Jam on Saturday.
During J.Lo's set, the singer brought out iggy to perform their single "Actin Like That," a pumped up breakup track that lines up with her public breakup with her former background dancer Casper Smart.
The two ladies posted pictures on Instgram after their performance with Iggy calling J.Lo her booty crush.

"She is my obsession #lurklife #sorry #mybootycrush"

Check out some moments from J.Lo's performance above.

Photo Credit: Splash News, Instagram