Bruce Willis and Demi Moore

It's too bad now that things with Ashton went south that the Willis family can't reunite (Photo by Jason Kirk/Getty Images)

Jake Gyllenhaal and Kirsten Dunst

Long before he was "never, ever getting back together" with you know who (taylor swift) he had an adorable romance with Kirsten Dunst. (Photo by Vince Bucci/Getty Images)

Carson Daly and Tara Reid

Remember when these two dated? WEIRD. (Photo: Frank Micelotta/ImageDirect)

Adam Brody and Rachel Bilson

He's dating Leighton Meester now, but remember with Seth and Summer from 'The OC' were dating IN REAL LIFE. We do. (Photo by Amanda Edwards/Getty Images)

Susan Sarandon and Tim Robbins

Can't these two work it out? (Photo by Carlo Allegri/Getty Images)

Jennifer Aniston and Brad Pitt

Team Jen, always. (Photo by Evan Agostini/Getty Images)

Katie Holmes and Joshua Jackson

These two ACTUALLY DATED before their characters sparked a romance on 'Dawsons Creek' - now that Tom Cruise is out of the picture, could it be? Probably not.

Britney Spears and Justin Timberlake

A lot has changed for these mouseketeers since the days of their young love, but we wish they'd grab some denim and just get some coffee - for our sake. (Photo credit should read LUCY NICHOLSON/AFP/Getty Images)

Jennifer Lopez and Ben Aff

REMEMBER BENNIFER?! (Photo credit should read DOUG KANTER/AFP/Getty Images)

Reese Witherspoon and Ryan Phillippe

Reese can thank Ryan for two of the cutest kids EVER, but that's about it. If you watch "Cruel Intentions" you might wonder if these two could work it out...(They can't) / (Photo by Vince Bucci/Getty Images)

Chad Michael Murray and Sophia Bush

A whirlwind romance with two co-stars is never gonna work out, but 'One Tree Hill' fans wish these two were still a couple (Photo by Matthew Simmons/Getty Images)

Jessica Simpson and Nick Lachey

They' both moved on to new marriages and brand new babies, but remember when they were 'Newlyweds"? (Photo by Frazer Harrison/Getty Images)

Ryan Gosling and Rachel McAdams

WHY can't these two work it out and let our 'Notebook' fantasies live on forever?! (Photo By Kevin Winter/Getty Images)

Tom Cruise and Nicole Kidman

Now that Tom Cruise is single again, could he and Nicole rekindle? Not likely - she's married to fellow Aussie Keith Urban (TORSTEN BLACKWOOD/AFP/Getty Images)

Penn Badgley and Blake Lively

They may have wound up together on 'Gossip Girl' (Spoiler Alert!( but Blake is now married to Ryan Reynolds (Photo by Bryan Bedder/Getty Images)

Zac Efron and Vanessa Hudgens

Their romance might have been a 'High School Musical', but the curtain has dropped on these two. (Photo by Alberto E. Rodriguez/Getty Images)

Tony Parker and Eva Longoria

Eva Longoria isn't Tony Parker's number one fan. (Photo by Alberto E. Rodriguez/Getty Images

Ashlee Simpson and Pete Wentz

Don't you miss the Simpson sisters? We hope Pete Wentz does, their son together is adorable. (Photo by Christopher Polk/Getty Images for JS)

Seal and Heidi Klum

These two seemed like an unlikely but happy duo, with adorable kids to match. Heidi said "Al Wiedersehen" (Photo by Larry Busacca/Getty Images for EJAF)

Katy Perry and Russell Brand

She's a teenage dream and he's...your worst nightmare? (Photo by Chris Jackson/Getty Images)

Justin Bieber and Selena Gomez

On again and off again, but we think this time it's over for real. (Photo by Christopher Polk/Getty Images)

Taylor Swift And...Anyone

Girl, maybe you should stay single for a while. (Photo by Francois Durand/Getty Images)

Jen Toohey and Tim Richards

Okay...we don't ACTUALLY want these two to get back together, we love Jen's husband Nate too much. But the hosts of your new favorite morning show did used to date in 2006!