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    43 Celebrities Who I'm 99.9% Sure You Didn't Know Or Totally Forgot Changed Their Name For Fame

    Names change everything.

    1. Johnny Knoxville was born Philip Clapp.

    Johnny Knoxville poses in front of a step and repeat wearing a flannel over a T-shirt and pants

    2. Brie Larson was born Brianne Sidonie Desaulniers.

    A close up of Brie wearing a dress with one strap

    3. Andrew Lincoln was born Andrew Clutterbuck.

    a close up of Andrew in a suit and tie

    4. Lucy Hale was born Karen Hale.

    a close up of Lucy wearing a sparkly dress

    5. Jason Derulo was born Jason Desrouleaux.

    Close up of Jason wearing a fur-collard suit

    6. Lily James was born Lily Thompson.

    Close up of Lily with her hands on her waist wearing a strapless lace dress

    7. Michael Caine was born Maurice Micklewhite Jr.

    Micheal in a suit at an event

    8. Shane West was born Shannon Bruce Snaith.

    Shane wearing casual clothes and posing with his arms crossed over his chest

    9. Dove Cameron was born Chloe Hosterman.

    Dove wearing a sparkly jacket

    10. Nathan Lane was born Joseph Lane.

    a close up of Nathan posing at an event

    11. Jane Seymour was born Joyce Penelope Wilhelmina Frankenberg.

    close up of Jane wearing a spaghetti strap dress

    12. Shania Twain was born Eilleen Twain.

    Shania wearing a dark floral suit at an event

    13. Whoopi Goldberg was born Caryn Elaine Johnson.

    Whoopi pulling her face mask down for a photo

    14. Paul Wesley was born Paweł Tomasz Wasilewski.

    A close up of Paul wearing a T-shirt and blazer

    15. Gigi Hadid was born Jelena Hadid.

    a close up of the model

    16. Travis Scott was born Jacques Berman Webster II.

    Travis Scott wearing a structured suit with leather belted harness for the Met

    17. David Tennant was born David McDonald.

    David wearing a suit for an event

    18. Natasha Lyonne was born Natasha Braunstein.

    Close up of Natasha wearing a long sleeved sparkly dress

    19. Julianne Moore was born Julie Anne Smith.

    Julianne wearing an off-the-shoulder dress

    20. Niecy Nash was born Carol Betts.

    Niecy Nash wearing a long sleeved dress and holding a small clutch at an event

    21. Martha Stewart was born Martha Kostyra.

    Martha wearing a sparkly hoodie

    22. Macy Gray was born Natalie McIntyre.

    close up of Macy Gray wearing a sweater and heavy coat

    23. Judy Greer was born Judith Evans.

    Judy in a monochrome outfit

    24. Kevin James was born Kevin Knipfing.

    close up of Kevin at an event

    25. John Legend was born John Stephens.

    John Legend wearing a fitted shiny suit

    26. Blake Lively was born Blake Brown.

    Blake wearing a sparkly dress with big natural waves in her hair

    27. Aaron Paul was born Aaron Sturtevant.

    close up of Aaron wearing a blazer over a sweater

    28. Bruno Mars was born Peter Gene Hernandez.

    Bruno is his signature fedora

    29. Tim Allen was born Timothy Dick.

    close up of Tim Allen smiling

    30. Kevin Jonas was born Paul Jonas.

    Kevin in a suit at an event

    31. Kate McKinnon was born Kate Berthold.

    Kate with one hand in her pant pocket of a suit

    32. Bruce Willis was born Walter Willis.

    33. Erykah Badu was born Erica Wright.

    Erykah wearing a tall top hat on stage

    34. Eric Bana was born Eric Banadinović.

    35. Elizabeth Banks was born Elizabeth Mitchell.

    36. Michael Ian Black was born Michael Ian Schwartz.

    37. Jesse Bradford was born Jesse Watrouse.

    38. Tony Danza was born Anthony Iadanza

    39. Olivia Wilde was born Olivia Cockburn.

    40. Faith Hill was born Audrey Perry.

    41. Rita Wilson was born Margarita Ibrahimoff.

    42. Ben Kingsley was born Krishna Pandit Bhanji.

    43. And finally, Guy Fieri was born Guy Ferry.