In 2007, Adams made her first major appearance in a Disney film as the voice of Sweet Polly Purebred in Underdog.
Later in 2007, Adams landed her first starring role in a Disney film as Giselle in Enchanted, opposite Patrick Dempsey and James Marsden. This role gained her critical acclaim and recognition for her energetic acting prowess and light singing voice. It was later revealed that this was the first time Adams recorded a song for professional reasons. He will repriose her role in the sequel, Disenchanted.