What are some celebrities real Twitter usernames?

[Crystal Mandie]

I am getting quite into the whole Twitter thing and I want to know some celebrities real usernames...I know Diana Vickers is diana_music, but what are some other people's? Such as Peter Andre, Katie Price etc...

[Pooch Lover]

http://twitter.com/misskatieprice I think

[whatkatiedid]

Jonasbrothers - The JoBros
rustyrockets - Russell Brand
tommcfly - Tom from McFly
dougiemcfly - Dougie from McFly
iamMarkRonson - Mark Ronson
babygirlparis - Paris Hilton
johncmayer - John Mayer
petewentz - Pete Wentz from Fall Out Boy
katyperry - Well, Katy Perry haha
TraceCyrus - Trace Cyrus
DanMerriweather - Daniel Merriweather
greggarbo - Greg Garbowsky, the Jonas Brothers friend and musician
peterfacinelli - Carlisle on Twilight
TheRealJordin - Jordin Sparks
billyraycyrus - Billy Ray Cyrus, obviously haha
billy_burke - Billy Burke, Bella's dad on Twilight.
ddlovato - Demi Lovato
iamdiddy - P Diddy
mileycyrus - Miley Cyrus
jtimberlake - Justin Timberlake
MandyyJirouxx - Mandy Jiroux
ladygaga - Lady Gaga
MissNoieCyrus - Noah Cyrus
comeagainjen - Jennifer Stone (Wizards of Waverly Place)
ashsimpsonwentz - Ashlee Simpson
henryholland - Henry Holland, fashion designer
selenagomez - Selena Gomez
taylorswift13 - Taylor Swift
aplusk - Ashton Kutcher

Robert Pattinson's was pattinsonrt and Kristen Stewart's was kristenstewart9, but they've both been hacked a couple times so I'm not sure now. Hope I helped

[Harry R]

What...no Jamie Oliver?! He's missing out there, don't you think?

[lisa]

macdonaldbros .. They were on the x factor a few years ago.. i love them.
nickybyrneoffic ..Nicky from westlife, but dont know if its really him hink it is tho.
BrianMcnugget .. Brian Mcfadden from westlife

[alitach]

Check out http://www.truthtweet.com. It lists all of the accounts verified and not by celebrities