Showbiz news you actually want, from geek gossip to celeb train-wrecks.

Blake Lively blew nerd minds in a low-cut top, while promoting "Green Lantern" at Comic-Con. (TMZ)

Mark Ruffalo and Jeremy Renner have officially joined the cast of the "Avengers" movie, as The Hulk and Hawkeye, respectively. (ComicsAlliance)

The first "Thor" trailer debuted at Comic-Con. (UGO)

Check out a gallery of the Cosplay Girls of Comic-Con. (The Smoking Jacket)

Michael Cera showed up in a Captain America costume to the "Scott Pilgrim" panel at Comic-Con. (FilmDrunk)

The Kings of Leon bailed on a show in Ireland because they were getting crapped on by pigeons. (Radar Online)

The latest "Tron: Legacy" trailer is shiny and Jeff Bridges-filled. (Next Round)

Need to catch up on "Mad Men"? Check out a recap of the first three seasons in under five minutes. (Popeater)

The trailer for the vampire flick "Let Me In" debuted at Comic-Con. (Screen Junkies)

Katy Perry wants to be every teenage boy's wet dream. (Daily Fill)