By InStyle Staff
Jun 15, 2012 @ 12:00 pm
Retna Ltd.; Kevin Mazur

Grab a slice of cake—it's Courteney Cox's 48th birthday! Help the former Friend celebrate by taking a look back at her Hollywood transformation, from Bruce Springsteen video girl to style star. Click through the gallery to see all of Courteney's best beauty looks through the years.

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