From 2001 to 2005, Shelton performed in the jazz cabaret act If All the Stars Were Pretty Babies with fellow Actress Zooey Deschanel.
Shelton has released three EPs: Are You Kidding Around?, Cranky Moon and Sea Legs.
Her debut was as a waitress in the film Hairshirt, before several television guest roles, including a recurring role on Judging Amy. She had a supporting role in White Oleander as a pregnant girl in foster care. In 2003, she starred alongside her sister Marley in the independent film Moving Alan and she played the best friend roles in Learning Curves and Shopgirl. She also played a receptionist in the independent hit Ellie Parker. Some of her scenes were cut, but can be found in the 'special features' section of the DVD.
In 2006, she starred in Monarch Cove, a TV series shown on Lifetime Network.
