1. First and foremost, here's Freddie Prinze Jr . pre-gray: Frank Trapper / Corbis via Getty Images
Never forget his short-lived spiky frosted tips era. Ron Galella, Ltd. / Ron Galella Collection via Getty Images
And here he is now in his silver fox era: 2. JC Chasez as you probably remember him in his chin-strap era: Ron Wolfson / WireImage / Getty Images
Just a bunch of silly boys who can't figure out how to use a wagon! Bob Berg / Getty Images
And here he is now in his silver fox era: He was actually at the VMAs this year, and I'm sad to report he dyed his luscious locks! Jose Perez / GC Images / Getty Images
3. Here's Steve Carell in the early 2000s: Nbc / NBCUniversal via Getty Images
Truly his brunette era. Peter Kramer / Getty Images
And here he is now in his silver fox era: Lionel Hahn / Getty Images
Ron Galella, Ltd. / Ron Galella Collection via Getty Images
Ohh lala McDreamy! Ron Galella, Ltd. / Ron Galella Collection via Getty Images
And here he is now in his silver fox era: Mondadori Portfolio / Mondadori Portfolio via Getty Images
Ron Galella / Ron Galella Collection via Getty Images
What a bad boy! Steve Granitz / WireImage / Getty Images
And here he is in his silver (beard) era: Rodin Eckenroth / The Hollywood Reporter via Getty Images
6. Oscar Isaac will always be attractive: J. Vespa / WireImage / Getty Images
Oh so serious! J. Vespa / WireImage / Getty Images
And here he is now in his silver fox era: Arturo Holmes / Getty Images
7. Here we have Josh Hartnett: Ron Davis / Getty Images
Silly boy doesn't know how to use a chair! Ron Davis / Getty Images
And here he is now entering his silver fox era: Karwai Tang / WireImage / Getty Images
8. Let's look into Matt LeBlanc: Jim Smeal / Ron Galella Collection via Getty Images
What a cool dude! Cbs Photo Archive / CBS via Getty Images
And here he is in his silver fox era: Momodu Mansaray / Getty Images
9. We have Chris Pine: Barry King / WireImage / Getty Images
Here's what he looked like pre-gray: Jon Kopaloff / FilmMagic / Getty Images
And here he is now in his silver fox era: Steve Granitz / FilmMagic / Getty Images
10. Next up is Mark Hoppus: Steve Granitz / WireImage / Getty Images
Here's how you probably remember him: Michael Ochs Archives / Getty Images
And here he is now in his silver fox era: Matt Winkelmeyer / Getty Images for Children's Hospital Los Angeles
11. Let's zoom in on Seth Rogen: Kevin Winter / Getty Images
So dramatic! Nbc / NBCUniversal via Getty Images
And here he is now in his silver fox era: Monica Schipper / The Hollywood Reporter via Getty Images
12. Let's talk about Johnny Knoxville: Barry King / WireImage / Getty Images
Here's how you probably remember him: Kevin Winter / Getty Images
And here he is now in his silver fox era: Jeff Kravitz / FilmMagic / Getty Images
13. If we're talking about Johnny Knoxville, then we obviously have to talk about Steve-O: Barry King / WireImage / Getty Images
Here he was then: Kmazur / WireImage / Getty Images
And here he is now in his silver fox era: 14. Joey Fatone is up next: Steve Granitz / WireImage / Getty Images
I personally love his Ronald McDonald era. Jeff Kravitz / FilmMagic / Getty Images
And here he is in his silver fox era: 15. Next up we have 2/4 of the members of 98 Degrees: Jeff Kravitz / FilmMagic, Inc / Getty Images
Justin and Drew are both gray now: 16. Let's talk about Jesse Bradford: John Sciulli / WireImage / Getty Images
This was him then: J. Vespa / WireImage / Getty Images
And here he is in his silver (beard) era: 17. We got Rider Strong: Michael Ochs Archives / Getty Images
Here's how you probably remember him: Abc Photo Archives / Disney General Entertainment Content via Getty Images
And here he is now in his silver fox era: 18. Now for Joey Lawrence: Ron Galella, Ltd. / Ron Galella Collection via Getty Images
Here he is then: Ron Galella, Ltd. / Ron Galella Collection via Getty Images
And here he is now in his silver fox era: 19. Remember his little Lawrence brother, Andrew Lawrence ? Kevin Winter / Getty Images
He's gray, too: 20. Let's talk about Devon Sawa: Ron Galella / Ron Galella Collection via Getty Images
Here he is with his cute lil' haircut and earring: Ron Galella / Ron Galella Collection via Getty Images
And here he is now in his silver fox era: 21. Brandon Boyd is from the band Incubus: Frank Micelotta Archive / Getty Images
Remember "Drive"? And here he is in his silver fox era: 22. Next up is DJ from Roseanne aka Michael Fishman: Ron Davis / Getty Images
Here's how you probably remember him: Ron Davis / Getty Images
And here he is now in his silver fox era: 23. And lastly, we've got Ben Stiller: Aaron Rapoport / Corbis via Getty Images
This was him then: Aaron Rapoport / Corbis via Getty Images
And here he is in his silver fox era: Axelle / FilmMagic / Getty Images
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