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JOHN C. REILLY AND WILL FERRELL ''It is a rare and special thing just to find one person that thinks the same things are funny,'' says Reilly of his Step Brothers costar
Eric Charbonneau/Le Studio/Wireimage

It's Shake 'n Bake: the Sequel, baby. Columbia Pictures heralded the return of Talladega Nights' successful screen team, Will Ferrell and John C. Reilly, with a star- and star-sibling-studded premiere of Step Brothers in Los Angeles on July 15. Before the duo could party like the man-children they portray so precisely at the post-screening cereal bar and Pablo Cruise concert, they re-paired to walk the red carpet and dish about their second team-up, montages, and The Man From Atlantis.

ENTERTAINMENT WEEKLY: Will, you got a little more dressed up than usual tonight.
WILL FERRELL: I resent that implication. I do not think I have worn a t-shirt to a premiere since becoming a major star of the film world.
JOHN C. REILLY: I don't know, man. You do make me feel really dressed up sometimes. I called him to check this time because I didn't want to show up in a suit and then have him come in the Pablo Cruise t-shirt. That wouldn't have been good. We wouldn't have been on the same page, and it would be hard for the crowd to establish the vibe of the evening.
FERRELL: There was some talk of the Pablo Cruise t-shirt, but I don't know where it is. That shirt has really caused a commotion. I think we brought the band back together. We wrangled them into playing tonight.

For people who live under a rock, tell us the basics about Step Brothers.
FERRELL: It is [about] two single loser 40-year-olds who still live at home. Their parents marry each other and we move in together and there are some growing pains. We hate each other, then we like each other, then we try to bury each other. It isn't that different than what all mixed families go through, I suspect.

Do you have a favorite scene?
REILLY: I like the montage scenes where we do karate and beat kids up because they are all action. There were no lines to memorize.
FERRELL: I liked any scene that involved John wearing short shorts or colored underwear. I think the audience will agree with me.

NEXT PAGE: Reilly makes Ferrell uncomfortable by revealing how the two would ''amuse themselves'' on the set.