Bridgit Claire Mendler (born December 18, 1992) is an American actress, singer-songwriter, musician and producer. She is best known for her lead role as Teddy Duncan on the Disney Channel Original Series Good Luck Charlie, her recurring role as Juliet Van Heusen on Wizards of Waverly Place and her lead role as Olivia on the Disney Channel Original Movie Lemonade Mouth.

She has also appeared in Labor Pains, Alvin and the Chipmunks: The Squeakquel and Beverly Hills Chihuahua 2. In 2015 she joined the main cast of the NBC sitcom Undateable as Candace, which aired until 2016. In 2019, she starred on Netflix's Merry Happy Whatever as Emmy Quinn. Aside from her artistic career, Bridgit also has a master's degree on MIT and is currently working on JD in Harvard Law School and PhD on MIT.