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'Spring Breakers' Madrid Photocall

MADRID, SPAIN - FEBRUARY 21: Selena Gomez attends a photocall for Spring Breakers at the Villamagna Hotel on February 21, 2013 in Madrid, Spain. (Photo by Fotonoticias/WireImage)

Worst-Dressed Celebs -- Week of 2/18

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