Who knew Christian Bale was such a softie. The "Batman" star is apparently a closet cartoon fan. With some help from his "Fighter" co-star Mark Wahlberg, Bale offered a rendition of "The Powerpuff Girls" theme song. The last time he exercised his vocal cords like this was "Newsies."
Christian Bale Sings the ‘Powerpuff Girls’ Theme Song (Video)
The famously intense “Batman” star shows his lighter side
