Tiffany Dawn Thornton is an American actress and singer-songwriter who is best known for her role as Tawni Hart on the Disney Channel Original Series, Sonny with a Chance and So Random!
- That's So Raven - Tyler Sparks
- Hannah Montana - Becky
- Wizards of Waverly Place - Susan
- Sonny with a Chance - Tawni Hart
- So Random! - Tawni Hart
- Fish Hooks - Doris Flores Gorgeous
- Kick Buttowski: Surburban Daredevil - Teena Sometimes
- Disney's Friends for Change Games - Herself
- Pixie Hollow Games - Glimmer
- PrankStars - Herself
- Disney Channel Playlist - "Let It Go" with Mitchell Musso.
- Snow White and the Seven Dwarfs: Diamond Edition DVD/Blu-ray - "Someday My Prince Will Come"
- Tinker Bell and the Lost Treasure - "Magic Mirror"
- "I Believe" with Kermit the Frog
- Disneymania 7 - "If I Never Knew You"
- Sonny With A Chance - "Kiss Me" and "Sure Feels Like Love"
- So Random! - "Gift of Grammer"
Thornton also appeared in Demi Lovato's music video, "La La Land."