The newlyweds take extra precautions while vacationing in Cabo San Lucas, Mexico. Plus: Mary-Kate Olsen, Heidi Klum and more

  • FASHION FORWARD photo | Mary-Kate Olsen

Credit: Johns PkI/Splash News Online

Published: Wednesday Apr 29, 2009 | 05:00 PM EDT

FASHION FORWARD

After a casual day out the day before, Mary-Kate Olsen perks up in purple to fete designer pal Matthew Williamson's new collection for H&M during a starry party Tuesday on a yacht docked outside New York's South Street Seaport.