Happy Birthday, Sandra! See Who Else Looks Fab at 50

They're how old? From Courteney to Lenny, see which stars make beating the clock look amazing

ELLE MACPHERSON

Once "The Body," always "The Body". The former Sports Illustrated cover girl still has us in awe of her bikini body at 50. "I know it's not as easy as when I was 20 – there are more factors to consider," she told PEOPLE. But it's important to celebrate "where I'm at."