Jennifer Lopez: “Skinny Girls Miss Out”

 Jon Kopaloff/FilmMagic

Add Jennifer Lopez to the list of stars who love their curves.

"It's true I could serve coffee using my rear as a ledge, but I'm proud of my butt," the singer, 40, tells the New York Post.

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"A dress shouldn't look like a coat hanger," continues Lopez, who donned a skin-tight catsuit to perform on New Year's Eve. "Skinny girls miss out."

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Lopez — who welcomed twins Max and Emme in 2008 — says she's incorporated boxing into her routine ever since starring in 1998's "Out of Sight." The cardio aspect satisfies her "wild side." (Jessica Simpson has also picked up the sport.)

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Lopez also hits the StairMaster, and does a little "light training and cardio… biking, weight machines and lunges to keep those thigh muscles firm," she explains.

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