TESTING: It's In the Sexy Jeans

Check out Jessica, Beyoncé, Jennifer Lopez and more in their denim and vote on who looks best

Credit: Arnaldo Magnani/Getty

Updated: Thursday Jun 04, 2009 | 10:00 AM EDT By: Serena Kappes

STRAIGHT & NARROW

Jessica Simpson pairs her hip-hugging jeans with a bustier and cropped sweater at an event promoting her Dessert line of beauty products in New York City.