Maroon 5 frontman Adam Levine was attacked by someone who threw powdered sugar at him outside the Hollywood set of "Jimmy Kimmel Live." Levine was signing autographs outside the studio after recording a segment for Kimmel's show when a man threw a bag of powered sugar at him, catching him across the face and body, according to images and video from the scene. Adam Levine Flour-Bombed Outside Jimmy Kimmel Live!