Ally Sheedy & De...Ally Sheedy and Demi Moore starred in the seminal 1980's Brat Pack film, 'St. Elmo's Fire'.
Demi Moore NowDemi Moore has not aged a bit despite three kids and a marriage to Bruce Willis. Is it the marriage to a much younger husband (Ashton Kutcher, picture here) that keeps her looking so dewy? (AP Photo/Kevork Djansezian)
Ally Sheedy NowAlly Sheedy looks totally normal for her age - apparently she does not have access to the same fountain of youth as Demi. (AP Photo/Peter Kramer)
John Stamos ThenAll of the girls swooned over John Stamos and his magnificently feathered hair, both of which had a starring role as Blackie daytime soap 'General Hospital'. (Photo: ABC)
John Stamos NowThe feathered bangs are gone, but John Stamos still looks pretty great. (AP Photo/Chris Weeks)
Christie Brinkle...At the time, supermodel Christie Brinkley was Billy Joel's 'Uptown Girl' and Chevy Chase's dream woman in 'National Lampoon's Vacation'.
Christie Brinkle...Christie Brinkley, pictured with daughter Alexa Ray Joel, still has her supermodel-spectacular looks. (AP Photo/Julie Jacobson)
Emilio Estevez N...Slowly but surely, Emilio Estevez is morphing into his father, actor Martin Sheen. Which seems like a better idea than morphing into his brother, Charlie Sheen. (Photo: Carlo Allegri / Getty Images)
Molly Ringwald T...She carried the angst of a generation on her shoulders in major films like 'Pretty in Pink' and 'Sixteen Candles', but who can forget Molly Ringwald's star turn as spoiled rich girl Claire Standish in the ultimate Brat Pack film, 'The Breakfast Club'?
Michael Douglas ...Michael Douglas was a surefire 80s heartthrob in films like 'Romancing the Stone' and 'Fatal Attraction', where he was infamously on the receiving end of a boiled bunny from Glenn Close's character.
Michael Douglas ...He's married to a hottie half his age (Catherine Zeta-Jones) but we're not sure if that's the only thing keeping Michael Douglas looking so taut. (AP Photo/Seth Wenig)
Jamie Lee Curtis...Jamie Lee has famously gone public with her aging process, refusing to color her hair and posing for photos that have not been retouched to show what a real woman her age looks like aging gracefully. (AP Photo/Dan Steinberg)
Michael J. Fox T...Tiny dynamo Michael J. Fox was a true heartthrob in 'Back to the Future', 'Teen Wolf' and of course as Alex P. Keaton on 'Family Ties'.
Michael J. Fox N...Fox is struggling with Parkinson's Disease, but he's still as cute as he ever was. (Photo: Kevin Winter / Getty Images)
Beverly D'Angelo...Hot mom Beverly D'Angelo starred as Ellen Griswold, mother of the Griswold clan in the classic 'National Lampoon's Vacation' films. Pictured here with the cast of 'Vegas Vacation'.