Mila Kunis — Milena Markovna Kunis. (Photo: Archive)
Julianne Moore — Julie Smith. (Photo: Archive)
Jamie Foxx — Eric Marlon Bishop. (Photo: Archive)
Louis C.K. — Louis Szekely. (Photo: Archive)
Bono — Paul David Hewson. (Photo: Archive)
Joaquin Phoenix — Joaquin Rafael Bottom/Leaf Phoenix. (Photo: Archive)
Nicki Minaj — Onika Tanya Maraj. (Photo: Archive)
Kat Dennings – Katherine Litwack. (Photo: Archive)
Lady Gaga — Stefani Joanne Angelina Germanotta. (Photo: Archive)
Lorde — Ella Marija Lani Yelich-O’Connor. (Photo: Archive)
Chevy Chase — Cornelius Crane Chase. (Photo: Archive)
Ludacris — Christopher Brian Bridges. (Photo: Archive)
Reese Witherspoon — Laura Jeanne. (Photo: Archive)
Portia de Rossi — Amanda Lee Rogers. (Photo: Archive)
Elton John – Reginald Kenneth Dwight. (Photo: Archive)
Ben Kingsley — Krishna Pandit Bhanji. (Photo: Archive)
Nina Dobrev — Nikolina Konstantinova Dobreva. (Photo: Archive)
Meg Ryan — Margaret Mary Emily Anne Hyra. (Photo: Archive)
Spike Jonze — Adam Spiegel. (Photo: Archive)
Michael Caine — Maurice Joseph Micklewhite. (Photo: Archive)
Natalie Portman — Natalie Herschlag. (Photo. (Photo: Archive): Archive)
Katy Perry — Kathryn (Katy) Hudson. (Photo: Archive)
Oprah Winfrey — Orpah Winfrey. (Photo: Archive)
Dakota Fanning — Hannah Dakota Fanning. (Photo: Archive)
Bruno Mars — Peter Gene Hernandez. (Photo: Archive)
Jodie Foster — Alicia Christian Foster. (Photo: Archive)
Miley Cyrus — Destiny Hope Cyrus. (Photo: Archive)
Tina Fey — Elizabeth Stamatina Fey. (Photo: Archive)
Whoopi Goldberg — Caryn Elaine Johnson. (Photo: Archive)
Drake — Aubrey Drake Graham. (Photo: Archive)
Lucy Hale – Karen Lucille Hale. (Photo: Archive)
Christopher Walken — Ronald Walken. (Photo: Archive)
Woody Allen – Allan Stewart Konigsberg
Charlie Sheen / Martin Sheen — Carlos Irwin Estevez / Ramon Antonio Gerard Estevez. (Photo: Archive)
Vin Diesel — Mark Sinclair Vincent. (Photo: Archive)
The celebrities in this list all changed their names for one reason or the other. In most cases, we totally understand! Leaf Phoenix? Come on!
