What’s My Real Name? Actual Celebrity Birth Names

Some celebrities aren't exactly who they say they are. For example, you won't find names like Lady Gaga, Ashton Kutcher or Jennifer Aniston on any birth certificates. So, take a look to find out the 'real names' of some of your favorite stars.

10) Katy Perry Kathryn Elizabeth Hudson

9) Michael Caine Maurice Micklewhite

8) Ashton Kutcher Christopher Kutcher

7) Charlie Sheen Carlos Irwin Estevez

6) CeeLo Green Thomas DeCarlo Callaway

5) Demi Moore Demetria Gene Guynes

4) Jennifer Aniston Jennifer Linn Anastassakis

3) Tina Turner Annie Mae Bullock

2) Lady Gaga Stefani Joanne Germanotta

1) Whoopi Goldberg Caryn Elaine Johnson