The Hills star Audrina Patridge and singer Cassie stepped out this weekend demonstrating how sexy white can be. Who's the sexier one? Is Cassie's "dress" over the top? Click for more photos after the jump...

Image © PR Photos

Cassie made headlines this spring after pictures of her posing topless leaked onto the Internet. She quickly announced the snaps had been stolen from her email account, branding the person behind the stunt "foul and evil."

Image © PR Photos

Stephanie Pratt recently blamed her super skinny "Hills" co-stars, including Audrina, for making her bulimic. Once, when filming in Hawaii in bikinis, the size 0-2 Pratt asked Audrina, "What looks better, 'shirt on or off?'" Patridge said 'On.'"

Click the pics for Audrina Patridge's gallery:



Click the pics for Cassie's gallery:



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