Kelli Michelle Berglund (born February 9, 1996) is an American actress. She is known for portraying Bree Davenport in the Disney XD series Lab Rats and Lab Rats: Elite Force and also guest starred in its spinoff Mighty Med. In 2014, she starred in the Disney Channel Original Movie How to Build a Better Boy, where she portrays Mae Hartley. Berglund starred as Carly Carson in the 2019 Starz television drama series Now Apocalypse. She has also played the lead in two sports-themed films set in Australia, 2016's Raising the Bar and 2018's Going for Gold. She stars as Crystal in the 2021 Starz drama television series Heels.