Very talented actor. Born April 9, 1987. He plays Keith in the movie "Keith". Voice of Theodore in Alvin and The Chipmunks(movies). He is also a singer. Just to name a few, his songs include "Beautiful Soul", "She's No You", "Because You Live", "Just so you know" "Leavin'", "How do you Sleep".

No relation to Beatle Paul McCartney.
Jesse McCartney
by Baby_Blues May 18, 2009
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Very hott singer, actor and singer. He is a gift from heaven and his new single Leavin' is the best song ever. Who doesnt like obviously has no or bad taste in music!!! I wish he was my bf!
OMG I luv Jesse McCartney and his new single Leavin'. *drooling and staring at his pictures*
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a super sexy and talented singer and actor who makes me hot! jezuz all the stuff i would do 2 him...
jesse mccartney your a sexy beast and you know it what are you doing 2 night.
by my heart melts December 5, 2007
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noun- an actor, singer, and super hot 17 year old. He acts on the new show Summerland and used to be on All My Children. He is a wonderful singer and looks awesome. He is good looking and everyone wants a piece of him!
-Hey Katie, did you watch that new episode of Summerland?
-No, was Jesse McCartney in it?
-Heck yea, Jesse is so sexy, he makes the whole show!
by Jessie T June 24, 2004
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The VA of Roxas. Very fruity. On the same wavelength as Hannah Montana.
Roxas: Because you live!!!!
Namine: Shut up or I'll strangle you!!!
Roxas: You just hate it when I sing because I sing like Jesse McCartney!!!
by DoodooMan October 13, 2007
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The hottest guy ever
The bests singer and actor in this world
I love Jesse McCartney
Jesse McCartney is so hot
by Jenny 411 October 14, 2006
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The hottest guy in america!!!!! if u do not watch summerland ur a dork and eveyone hates u!!!!!!!!! he is the hottest guy alive and no 17 year old can breat him!!!!
kelsey: holy crap look at that hot guy
ally: its jesse mccartney...DUHH...who else
kelsey:...ohhhh
by Hottgirl March 22, 2005
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