JLo Rehearsal For Global Citizens Festival

Jennifer Lopez took a trip to Central Park in NYC Friday night, to rehearse for the big concert Saturday.

J Lo hit the stage with Ja Rule LL Cool J at around 8 PM and went through the paces, rehearsing 5 songs. They were on stage for a half hour, prepping for Saturday's Global Citizens Festival.

Two of the songs were collabs with Ja Rule and LL 3 were J Lo's, including "Dinero." She and Ja Rule sang "Ain't it Funny. The woman who just said she feels like a Hoolywood outsider will be at the center of the action tonight. And, it's a good bet Ben will be watching and cheering, and maybe even busting a move or 2!

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