As the sports saying goes, Father Time is undefeated. Everybody ages eventually, even Hollywood's rich and famous and attention-seeking reality TV stars.

Not all celebrities are created equal, however. 35 in Hollywood is not the same as 35 in McIntyre, Ga., as the side-by-side photo comparison below illustrates.

Posted in: Kate Upton

Jon Hamm gets plenty of hands-on experience with his female Mad Men co-stars, but as the actor told Vanity Fair recently, there was a time when he paid his bills by watching others get busy.

Posted in: Jon Hamm

Jon Hamm plays ultimate ladies man Don Draper on the hit AMC series Mad Men, but in real life he's been dating filmmaker Jennifer Westfeldt since 1997.

So it's a bit surprising to see Jon out and about in NYC with his co-star Elisabeth Moss.

Posted in: Jon Hamm

If one thing's for sure after looking through this slideshow it's that Joan Rivers' plastic surgeon needs to start handing out his business card on the red carpet. 

Or we could just let people age like they're supposed to so they don't end up looking like Joan Rivers one day. Yeah, there's that option.

Posted in: Joan Rivers