my opinion it's left because on the music video "all i want is everything" she uses left hand to write (just my opinion)
I think she is right handed because on the Victorious episode: "The Great Ping Pong Scam", whilst she was playing pingpong, I believe she was using her right hand.
left handed
LEFT-HANDED! not right-handed!
He is right handed.
He's right handed
She is Right-Handed
she is left handed
right handed
What is Bethany Hamilton right handed or left-handed
What is Bethany Hamilton right handed or left-handed
He is right and left handed mostly right handed.
Left handed