PHOTOS: J.Lo is All Banged Up

Wonder what's in that big ol' bag she's carrying? Jennifer Lopez kicks it casual style with heavy bangs and voluminous waves on the Manhattan set of The Back-Up Plan on July 17.

J.Lo's new film centers around a single woman who decides to have herself artificially inseminated but then meets the perfect man.

CHECK OUT THE GALLERY FOR ALL 6 PICS OF JENNY KEEPIN' IT REAL ON SET!