Perry cozies up to her ex during a day at the beach in Miami. Plus: Gwen Stefani, Kate Hudson, Winona Ryder and more

UP & AT 'EM

Gwen Stefani greets the crowd Friday morning during her first performance in five years with band No Doubt on the Today show in New York. The group, which is reuniting for a major summer tour kicking off Saturday in Atlantic City, performed hits like "Spiderwebs" and "Don't Speak."