The happy couple host a Royal Wedding-themed party in L.A. Plus: Reese Witherspoon, Rob Pattinson, Kate Hudson and more

EMPIRE STATE OF MIND

Leighton Meester, the face of Vera Wang's latest fragrance, helps the designer flip the switch Thursday at New York's Empire State Building, which was lit red and white to support the 5th Annual DKMS Linked Against Leukemia Gala.