Seth Rogen and Zac Efron Premiere 'Neighbors'MoviesAPRIL 29, 2014 Seth Rogen and Zac Efron hit the red carpet to premiere their new comedy 'Neighbors.' MORE VIDEOS leftKevin Hart Mocks Kevin Frazier's Katy Perry Selfie at Madden BowlFLASHBACK Kevin Costner 30 Years AgoExclusive Look at the Making of the Music of 'Song One'Sean Penn Says He's Surprised to be in Love at Age 54, Wants to Marry Charlize Theron!Howie Steps Up To The Mic in Backstreet Boys Documentary Deleted SceneJennifer Lawrence 'Screamed' When She Met Kim KardashianFLASHBACK: Ethan Hawke, Julie Delpy Talk Linklater's 'Before Sunrise' in 1995'She's Funny That Way' TrailerEmma Watson Cast as Belle - Who Should Play The Beast James Franco on meeting Brad Pitt at Sundance 'We fell in love'X-Men' Casts 'Game of Thrones' Star as the New Jean GreyTom Felton Drops a 'Harry Potter' BombshellnextRECENT VIDEOS left Sneak peak at the 2015 puppy bowl. Jason McCourty Reveals Whether He'll Cheer on Twin at Super BowlSuper Bowl Health Scare: Is it Legit?Michelle Obama Crowns School Counselor of the YearKevin Hart Mocks Kevin Frazier's Katy Perry Selfie at Madden BowlCan 'The Biggest Loser's' New Winner Keep the Weight Off?Why 'Better Call Saul' is the Most Anticipated TV Spinoff EverKaty Perry Slyly Confirms Taylor Swift Feud!3 Easy Steps to Fresh-Faced Beauty like Halle Berry, Sarah Hyland & MoreMiranda Lambert Reigns Supreme With 8 ACM Awards NominationsShakira and Gerard Pique Welcome Baby No. 2'Laverne and Shirley' Cast Set The Record Straight About Discord on Set next THE FULL STORYIs Zac Dating His 'Neighbors' Co-Star? Hint: It's NOT Seth!