The Vamps, The Wanted, & Tokio Hotel Go All Out with AT&T at Just Jared's Halloween Party!

Brad Simpson, Connor Ball, James McVey, and Tristan Evans from the British pop band The Vamps all look awesome in costume while attending the 2014 Just Jared Halloween Party: “JJ Freak Show” on Friday (October 31) at No Vacancy in Hollywood.

Other hot bands in attendance included The Wanted‘s Siva Kaneswaran and Jay McGuiness (dressed up as demons) and Tokio Hotel‘s Bill and Tom Kaulitz (dressed as an evil clown and evil Indian, respectively).

Lance Bass brought along his shirtless fiance Michael Turchin and wore a #TBT costume consisting of one of his former N’Sync tour outfits. His former group mate JC Chasez stopped by wearing a bloody doctor costume.

A bunch of the guys were seen stopping by the #Hashtag photo booth to show #AT&TLovesLA.

FYI: Lance is wearing a Levi’s trucker vest.

35+ pictures inside of The Vamps, The Wanted, and Tokio Hotel at the party…