September 23rd is Celebrate Bisexuality Day. Bisexuals remain the single most curious phenomenon. I’ve argued ad nauseum with many friends about whether or not someone can be a “true” bisexual – does that mean they have to split time equally boning boys and girls? Where’s the scoreboard? Anyway, there’s no arguing our list of the 27 sexiest celebrity bisexuals. To quote Andy Samberg and Justin Timberlake, “it’s okay to put us in a three-way” with any of these ladies. Check ‘em out after the jump.

Well, we made it through the first week. We’ve met the addicts of Celebrity Rehab, gawked at the women fighting for the love of Frank the Entertainer and heard Mike, the surprising show homo, admit to having sex with 15 women and 5 guys on The Real World D.C. No joke, I replayed that scene no fewer than a dozen times — you can practically hear the music come screeching to a halt when Ty says, “You’ve had sex with five guys?!” Classic. Freaking classic.

Oh, did you miss it? No prob, I’ve got you covered