Do you remember when Johnny Depp was a hot young thing in "21 Jump Street"? Or when Downtown Julie Brown introduced videos on MTV? Heck, do you remember videos on MTV? Well, then you're officially old. Fortunately, "old" isn't what it used to be: Just take a look at how good 50 looks these days. Legendary hotties Brad Pitt, Vanessa Williams, Johnny Depp and Nicollette Sheridan all turn the big 5-0 this year. Find out what other celebrities reach the half-century mark in 2013.