Kelli Michelle Berglund (born February 9, 1996) is an American teen actress, dancer and singer. She plays Bree Davenport, a bionic teenager with lightning speed in the Disney XD series Lab Rats. She stars in the Disney Channel Original movie How to Build a Better Boy, where she portrays Mae Hartley, a tech-savvy young woman who along with her best friend, devise a plan to create the perfect boyfriend
Kelli Berglund began her career at a young age, gracing the small screen as a series regular on TLC's Hip Hop Harry. TV appearances also include Are You Smarter Than a 5th Grader, and America's Next Producer. Berglund also appeared in the indie film, Bye Bye Benjamin.
In mid-2013, Berglund began work on the Disney Channel Original Movie, How to Build a Better Boy. The film was shot in Toronto, Canada. She stars as Mae Hartley, one of the two main roles. The film is directed by Paul Hoen and premiered on August 15, 2014. On July 29, 2014 was released a single titled "Something Real", which she sings with China Anne McClain