Judging from the episode title alone, Dan and Jenny might have it rough next week on Gossip Girl.

No, not rough in that way... although next Monday's episode is the highly anticipated threesome episode, as the promo makes all too blatantly clear.

Check out 'Gossip Girl' Spoilers: Threesome Clues Galore! Can You Figure Out Who's Involved?

Below, you'll find the "O.M.3." promo and the synopsis for episode 3.09, "They Shoot Humphreys, Don't They?" which promises a whole lot of drama for one hour of television next Monday night.

Plus, (gasp!) what a surprise: another musical guest.



Episode 3.09, "They Shoot Humphreys, Don't They?" Synopsis:

JENNY CONSPIRES TO BE THE ULTIMATE QUEEN BEE / ALL-GIRL ROCK BAND PLASTISCINES PERFORM IN THE EPISODE -- Not satisfied with just being Queen of Constance Billard, Jenny (Taylor Momsen) sets her sights on becoming the Queen of all the Upper East Side by landing the hottest escort for Cotillion. Nate (Chace Crawford) and Chuck (Ed Westwick) plot to help Serena (Blake Lively) and Blair (Leighton Meester) repair their damaged friendship. Dan (Penn Badgley) is upset when Olivia (guest star Hilary Duff) contemplates leaving school for a movie project. Jessica Szohr, Kelly Rutherford and Matthew Settle also star.



-Meghan Carlson, BuddyTV Staff Writer
Image courtesy of the CW