In 1995, Lisa Bonet legally changed her name to Lilakoi Moon, although she still publicly uses her birth name Lisa Bonet.
Getty Images
2 of 16
Olivia Wilde’s birth name is Olivia Jane Cockburn.
Getty Images for SXSW
3 of 16
Elton John was born Reginald Kenneth Dwight.
Getty Images
4 of 16
Joaquin Phoenix was born with the name Joaquin Rafael Bottom. His parents, who were members of the cult Children of the God for a time, changed the family’s last name to Phoenix after the mythical bird.
Getty Images
5 of 16
John Legend was named John Roger Stephens before fame.
Getty Images
6 of 16
Bruno Mars was born with the name Peter Gene Hernandez.
Getty Images for NARAS
7 of 16
Miley Cyrus was born with the name Destiny Hope Cyrus. Her childhood nickname Smiley turned into Miley.
Getty Images
8 of 16
Nicolas Cage disassociated himself from his famed uncle Francis Ford Coppola when he stopped using his birth name Nicolas Kim Coppola.
Getty Images
9 of 16
Iggy Azalea chose her stage name based on the tried and true method of using the name of your first pet and street you lived on as a kid. She was born with the name Amethyst Amelia Kelly.
Getty Images
10 of 16
Portia de Rossi’s birth name is Amanda Lee Rogers.
Getty Images
11 of 16
Michael Caine was born Maurice Joseph Micklewhite Jr.
Dave J Hogan/Getty Images
12 of 16
Alicia Keys was born Alicia Augello Cook.
Christopher Peterson/Splash News
13 of 16
Jamie Foxx was born with the name Eric Marlon Bishop.
Getty Images
14 of 16
Vin Diesel used to be known as Mark Sinclair.
Getty Images
15 of 16
Natalie Portman became Natalie Portman when she began acting as a child. She used to be known as Natalie Hershlag.
Getty Images
16 of 16
Helen Mirren was born with the name Ilyena Lydia Vasilievna Mironov.
Getty Images