Kathie Lee Gifford. She is a singer/songwriter who appears in their commercials singing the jingle.
Erin McKeown
Suzie McNeil.
Corinne Andrew
I Think I Like You, by Donora.
snoop doggie dog.
I do not know who sings the 2012 jingle but the person who said Erin Mckeown is incorrect. Erin made it a point to clarify it on her Facebook page. Her twitter account is @ebonyrosebuckle
alessis
Anastasia
everyone sings jingle bells.
Erin McKeown
Anastasia
Suzie McNeil.
Bob Rivers
Dolly Parton
Mark Behrens sings the Shaw's Jewelry Jingle. Mark even writes his own jingles and is very much in anything to do with jingles.
Sounds like RobinElla to me.
Ceelo Green