Even though she's referred to by some people as Esquire's former "Sexiest Woman Alive," this 31-year-old actress has spent most of her career known as (insert name here)'s girlfriend; most recently, Derek Jeter. Basically, Kelly's been "the cheerleader" off and even on-screen, with her debut role as pom-pom princess Layla Garrity in Friday Night Lights. But it looks like she's on her way to establishing herself in her own right this year, following up a starring role in the tepid, yet commercially successful, PG-13 Single White Female ripoff The Roommate with an upcoming role in ABC highly anticipated Charlie's Angels, set to premiere this fall.

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