Hilary Duff Swimsuit Sexy in Mexico + Julianne Hough and Ashley Tisdale Bikini in Miami

Hilary Duff in Mexico with Mike Comrie and sister Haylie -  July 31.

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Ashley Tisdale Poolside in Miami - July 31

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Julianne Hough & Ashley Tisdale Bikini in Miami July 30

Julianne Hough on Set, and in a bikini

Julianne Hough and director Adam Shankman share some laughs on the set of "Rock of Ages." .(May 24, 2011 - Photo by Bauer Griffin)

Julianne Hough showing off her bikini body in Miami (May 8)

photo credit: famepictures

Diane Kruger and Joshua Jackson + Celeb Couples @ Met Gala

Actress Diane Kruger and designer Jason Wu attend the "Alexander McQueen: Savage Beauty" Costume Institute Gala at The Metropolitan Museum of Art on May 2, 2011 in New York City.

Diane Kruger and designer Jason Wu

Christina Hendricks and husband, Geoffrey Arend

Director Paul Anderson and Milla Jovovich

Liv Tyler

Photo by Getty