Ashton Kutcher
In 2013, "Christopher" Ashton Kutcher revealed his actual real name at the Teen Choice Awards. After winning the Ultimate Choice Award, he joked that it's actually "the old guy" award and that he "feels like a fraud." He's gone by his middle name since he was 19 when he was trying to break into Hollywood.
Erykah Badu
The powerhouse R&B singer Erykah Badu was born Erica Abi Wright and decided to change the spelling of her first name when she was young. She believed the spelling of "Erica" was a "slave name." She revealed, "Kah" signified the inner self, and "Badu" is both her favorite jazz scat and a classic African name.