"It's as funny a movie as you're going to see in terms of just letting loose and letting it rip," Ferrell said alongside his co-star at a London preview of the film.

LONDON, - Hollywood star Reese Witherspoon says teaming up with actor Will Ferrell for the romantic comedy "You're Cordially Invited" was a long time coming. The actors, who in 2001 worked together on a "Saturday Night Live" episode, make their first joint feature film appearance in the movie, which they also produced.