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Vanessa Hudgens

PARIS, FRANCE - FEBRUARY 18: Vanessa Hudgens attends the "Spring Breakers" Paris Premiere at Le Grand Rex on February 18, 2013 in Paris, France. (Photo by Pascal Le Segretain/Getty Images)

Worst-Dressed Celebs -- Week of 2/18

Vanessa Hudgens, Selena Gomez, and Oprah delivered this week's biggest fashion flubs. -- By Matt Whitfield