05/21/2010 09:50 am ET Updated Dec 06, 2017

Will Forte Belts Out Obscenity-Laced "MacGruber" Song (VIDEO)

"This isn't your father's 'SNL' movie," warned "MacGruber" star Will Forte before launching into a tirade of obscenities while performing the movie's theme on "Late Night." That combined with the much publicized "celery scene," Forte has proved his point. This one's a "hard R." We can't wait.