George Clooney has revealed that he wasn't too happy with the nipples on his Batman costume.

In a Reddit AMA, the 52-year-old American actor, who played the Caped Crusader in 1997's box office flop Batman & Robin, said that he was ashamed of having nipples on his batsuit, Metro.co.uk reported.

He added that he wasn't thrilled as his costume was the first to have nipples.