Linked in the fight against blood cancer, Katy Perry, right, and Vera Wang walk the red carpet at the seventh annual Delete Blood Cancer Gala, presented with support from founding corporate sponsor ... more 
Linked in the fight against blood cancer, Katy Perry, right, and Vera Wang walk the red carpet at the seventh annual Delete Blood Cancer Gala, presented with support from founding corporate sponsor Coty Inc., at Cipriani Wall Street, Wednesday, May 1, 2013 in New York. The event raised $3.7 million to support the fight against leukemia and other blood-related cancers. (Photo by Jason DeCrow/Invision for Coty/AP Images) less 
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Associated Press
Fri, May 3, 2013 6:27 PM EDT