'Humor Abuse,' the hilarious and heartfelt story of growing up in the circus, opened last night, September 21 at 8 p.m. at the Center Theatre Group/Mark Taper Forum. Performances of the Obie, Drama Desk, Outer Critics Circle and Lucille Lortel Award-winning play continue through November 3, 2013. (Previews are September 17 through 20.) Check out a look back at the starry opening night celebration below!