Jennifer Lopez and Nicki Minaj treated fans to a battle of the booty as they both showcased their behinds at the Fashion Rocks concert.
The US singers - who are known for their ample curves - each donned skimpy outfits which showed off their bottoms and treated the audience to a flurry of rump-shaking moves at the event in New York.
J-Lo dazzled in a tiny metallic dress and matching underwear as she sang her song Booty, facing away from the audience much of the time to display her butt.
The 45-year-old earned some of the biggest cheers of the night with her sizzling routine.
Not to be outdone, Nicki performed some of her own booty-shaking moves, gyrating to her bottom-referencing hit Anaconda.
The star, who was wearing a short blue denim skirt and a glittering diamond bra, also wowed the crowd as she strutted her stuff along with a group of male dancers.
Other stars who took part in the show in Brooklyn included Rita Ora, Usher, Kiss and Justin Bieber.
Justin was heavily booed by the audience at the Barclays Centre.
The singer entered the stage to introduce Rita Ora, and once the crowd booed loudly, he stripped down to his boxer shorts and socks, finally winning some cheers.
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