Justin Long, the "Mac Guy," hooked up with bisexual reality TV star Tila Tequila in Las Vegas on Halloween, according to the New York Post.

Spies said the two were spotted at Los Angeles airport and nightclub Noir, where Long reportedly "asked her to straddle him while making out."

Most recently, Long dated Drew Barrymore and in the past he was connected to Kirsten Dunst.

What do you think of Justin & Tila hooking up? What do you think about his choices in women? Let us know in the comments!