Remember the time Jennifer Lopez, 46, posted this ab selfie, and you were so shocked and appalled by your lack of abs that you fell face first into a pizza? Well don’t let make you forget about her other best asset (pun intended) that she’s ultimately known for – her bum – because the moment we’ve all been waiting for is here: JLo’s trainer, David Kirsch, is sharing his favorite bum sculpting move just in time for bikini season prep. Follow the link below to see. 

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