Thornton performed "I Believe" with Kermit the Frog in the 2009 Macy's Thanksgiving Day Parade. A music video of the duet aired on Disney Channel, and the song also played on Radio Disney and was made available as a digital download the same year. 
Thornton appeared with Miss Piggy in the Muppet's 2011 appearance on So Random!
- ↑ "Disney Channel to Premiere Music Video of Tiffany Thornton and Kermit the Frog's Christmas Duet 'I Believe' Friday December 4," Disney Channel press release. November 23, 2009.