Born in Los Angeles, California, Sweetin first stepped into show business by appearing in film and television. She first appeared in an Oscar Mayer hot dog commercial when she was four years old. Her debut role was in The Hogan Family in 1987, in which she played Pamela, the niece of Mrs. Poole. She also provided the voice of Sally Brown in It's Christmastime Again, Charlie Brown. Jeff Franklin cast her as Stephanie Tanner in Full House in 1987, and she was on the show until its end in 1995. After the show's finale, Sweetin went to high school and college. Sweetin hosted the second season of the Fuse TV show Pants-Off Dance-Off. She is now starring in a TV pilot, titled Small Bits of Happiness, a dark comedy centered around a suicide prevention specialist, which won Best Comedy at the 3rd Annual Independent Television Festival in Los Angeles.

Sweetin's catch phrases on Full House as Stephanie were "How rude!", "Hot dog," and "Well, pin a rose on your nose." Throughout the yea