You know their faces, but do you know their names? Not the ones they were born with...

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1. Katy Perry

celebrities who have changed their name: Katy Perry

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The singer was actually born Katherine Elizabeth Hudson but used her mum’s maiden name instead to avoid confusion with the actress Kate Hudson.

 

2. Iggy Azalea

celebrities who have changed their name: iggy azalea

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Her real name is Amethyst Kelly. Her stage name is reportedly a combination of her childhood pet dog called Iggy and where she grew up – Azalea Street, where her family still live.

 

3. Miley Cyrus

celebrities who have changed their name: miley cyrus

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Her parents named her Destiny Hope Cyrus but nicknamed her ‘Smiley Miley’. It caught on and she legally changed it to Miley aged 15.

 

4. Tiger Woods

celebrities who have changed their name: tiger woods

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The golfer’s real name is Eldrick Tont Woods. He was nicknamed Tiger as a kid, after one of his dad’s friends.

5. Lana Del Ray

celebrities who have changed their name: lana del ray

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The singer’s real name is Elizabeth Grant – doesn’t sound quite as glam, eh!

 

6. Blake Lively

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The actress was born Blake Ellender Brown, but adopted her mum’s last name when she started acting.

 

7. Michael Caine

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The actor was born Maurice Joseph Micklewhite. He got the last name Caine from the 1954 Humphrey Bogart film The Caine Mutiny.

 

8. Nicki Minaj

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Her real name is Onika Tanya Maraj. She originally adopted the stage name Nicki Miraj before changing it to Minaj.

 

9. Tina Fey

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The actress’s real name is Elizabeth Stamatina Fey.

 

10. Charlie Sheen

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Believe it or not, the actor’s real name is Carlos Estevez. His famous actor father Ramon Estevez is better known as Martin Sheen.

 

11. Lea Michele

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The Glee actress was actually born Lea Michele Sarfati. But according to her, teasing at school made her drop it and just use her first two names instead.

 

12. Stevie Wonder

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Sadly this is just the singer’s stage name. His real name is Stevland Hardaway Judkins.

 

13. Dakota Fanning

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Her real name is Hannah Fanning – Dakota is just her middle name. Her mother named her Hannah and her dad named her Dakota.

 

14. Carmen Electra

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Her real name is far less glam – Tara Patrick.

 

15. Audrey Hepburn

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Her real name was Edda Kathleen van Heemstra Hepburn-Ruston – we’re not surprised she shortened it!

 

16. Bruno Mars

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The singer’s real name is actually Peter Gene Hernandez.