(Newser) – Sometimes opposites attract ... and when that happens in Tinseltown, it's sure to make headlines. The Frisky rounds up a dozen celebrity odd couples:

Lisa Kudrow and Conan O'Brien : The Friends actress recently revealed that she dated the late night host before she hit the big time, but they were better off as friends.

: The Friends actress recently revealed that she dated the late night host before she hit the big time, but they were better off as friends. Michelle Williams and Jeremy Jackson : The former Baywatch star (and current Celebrity Rehab participant) told Howard Stern he had a fling with Williams, who starred in an episode of Baywatch before being cast on Dawson's Creek.

: The former Baywatch star (and current Celebrity Rehab participant) told Howard Stern he had a fling with Williams, who starred in an episode of Baywatch before being cast on Dawson's Creek. Tila Tequila and Billy Corgan: Smashing Pumpkins fans wept when these two showed up together at an awards show.

Christina Applegate and Brad Pitt : This should satisfy Team Jen: Applegate took Pitt to an awards show in 1989 ... then left with another guy.

: This should satisfy Team Jen: Applegate took Pitt to an awards show in 1989 ... then left with another guy. Keanu Reeves and Diane Keaton : See, dating someone 19 years younger isn't just for men!

: See, dating someone 19 years younger isn't just for men! Amanda Bynes and Seth MacFarlane: OK, the Family Guy creator and former child star might be the oddest odd couple on this list. They most likely met when Bynes guest-starred on Family Guy.

Click for the complete list , especially if you're curious about how in the world Cher and Tom Cruise ever got together. (Read more celebrity stories.)