29 Celebrities Who Have Changed Their Last Names And It's Just Weird To See Their Original Ones

Guy Fieri has been lying to us all along.

1. Blake Brown

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Goes by: Blake Lively.

2. Joaquín Bottom

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Goes by: Joaquín Phoenix.

3. Diane Hall

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Goes by: Diane Keaton.

4. Guy Ferry

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Goes by: Guy Fieri.

5. Olivia Cockburn

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Goes by: Olivia Wilde.

6. John Stephens

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Goes by: John Legend.

7. Aaron Sturtevant

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Goes by: Aaron Paul. Paul is his middle name.

8. Ralph Lifshitz

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Goes by: Ralph Lauren.

9. Thomas Mapother IV

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Goes by: Tom Cruise. His middle name is Cruise.

10. Michael Douglas

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Goes by: Michael Keaton.

11. David Jones

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Goes by: David Bowie.

12. Natalie Hershlag

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Goes by: Natalie Portman.

13. Lea Sarfati

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Goes by: Lea Michele. Michele is her middle name.

14. Winona Horowitz

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Goes by: Winona Ryder.

15. Jonah Feldstein

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Goes by: Jonah Hill. Hill is his middle name.

16. Elizabeth Mitchell

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Goes by Elizabeth Banks.

17. Kevin Knipfing

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Goes by: Kevin James.

18. Stan Lieber

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Goes by: Stan Lee.

19. Kate Berthold

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Goes by Kate McKinnon. Her full name is Kate McKinnon Berthold.

20. Alison Schermerhorn

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Goes by: Alison Brie. Her middle name is Brie.

21. Steven Tallarico

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Goes by: Steven Tyler.

22. Ruby Rose Langenheim

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Goes by: Ruby Rose.

23. Andrew Clutterbuck

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Goes by: Andrew Lincoln.

24. Brittany Bertolotti

Al Messerschmidt

Goes by: Brittany Murphy.

25. Julie Anne Smith

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Goes by: Julianne Moore.

26. John Bongiovi Jr.

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Goes by: John Bon Jovi.

27. Jonathan Leibowitz

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Goes by: Jonathan Stewart. Stuart, spelled like that, is his middle name.

28. Jonathan Taylor Weiss

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Goes by: Jonathan Taylor Thomas.

29. Tim Dick

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Goes by: Tim Allen. His middle name is Alan.