Is it ever a good idea to date a friend's ex?
For most of us, the answer is a resounding "no" -- for some of us, maybe even an "Oh, hell no." But for celebrities, it's a whole different story. Blame it on the shallow Hollywood dating pool, but time and time again, we see celebs falling for their friends' former flames.
The five celebs below seem to have had a what's-yours-is-mine philosophy when it came to dating their pals' ex-spouses. Click through the slideshow to see who they are, then tell us: would you date your bestie's ex once his or her relationship was over or would that person be strictly off limits?