some of these really surprised me, and alot of them i didn't know had changed their name.
alicia keys: alicia augello cook
anna nicole smith: vickie lynn hogan
audrey hepburn : Edda Kathleen van Heemstra Hepburn-Ruston
ava gardner: lucy johnson
brad pitt: william bradley pitt
carmen electra: tara leigh patrick
charlie sheen: carlos irwin estevez
cheryl ladd: cheryl jean stoppelmoor
courtney love: courtney michelle harrison
demi moore: demetria guynes
dido: florian cloud de bounevialle armstrong
drew barrymore: andrew barrymore
elle macpherson: eleanor gow
elton john: reginald kenneth dwight
faith hill: audrey faith perry
goldie hawn: goldie jean studlendgehawn
hugh hefner: larry douglas hefner
jack black: thomas black
jason alexander: jason scott greenspan
jenna jameson: jennifer marie massoli
jennifer aniston: jennifer linn anastassakis
joan rivers: joan alexandra molinsky
john cleese: john cheese
johnny knoxville: phillip john clapp
julianne moore: julie anne smith
lucy lawless: lucille frances ryan
meg ryan: margaret mary emily anne hyra
mel gibson: columcille gibson
minnie driver: amelia driver
natalie portman: natalie hershlag
portia de rossi: amanda lee rogers
shania twain: eileen regina edwards
susan sarandon: susan abigail tomalin
ted danson: edward bridge danson, III
tom cruise: thomas cruise mapother, iv
tony danza: anthony ladanza
tori amos: myra ellen amos
vin diesel: mark vincent
whoopi goldberg: caryn elaine johnson
winona ryder: winona laura horowitz