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

IAN ZIERING

It's no surprise the former Beverly Hills, 90210 star brought in crowds (including his former costars) when he appeared shirtless as a Chippendales dancer in Las Vegas. Between his newly ripped abs and Syfy shocker hit Sharknado (the sequel premieres July 30) things have never looked so good for the 50-year-old star.