Hyland appears in a scene deleted from the theatrical cut of The Muppets. She plays a girl seen on a TV series called Credit Card Club, shown by Veronica to the Muppets as an example of CDE programming. She also voices Theresa Fowler in the Disney XD animated series Randy Cunningham: 9th Grade Ninja. She also played Dylan Schoenfield in the Disney Channel Original Movie Geek Charming, Silvano-Giovanna in Cradle Will Rock, and Molly in the 1999 Disney television movie adaptation of Annie. She voices Tiifu in The Lion Guard: Return of the Roar and its follow-up series The Lion Guard. She will play the Seelie Queen in Shadowhunters.
- Since 2009, Hyland had been dating and living with actor Matt Prokop (her co-star from Geek Charming), whom she met while auditioning for High School Musical 3: Senior Year. They had later split in August 2014 due to allegations of abuse.