Mehgan Heaney-Grier (born Mehgan Renee Heaney, August 26, 1977) is an American champion freediver, fashion model, actress, conservationist, and TV personality.
Heaney-Grier was born in Duluth, Minnesota to Bill and Renee Heaney. Her parents divorced when she was six years old. When she was eleven years old her mother remarried to Nelson Grier and in the summer of 1989, Heaney-Grier, along with her sister Erin, mother and new stepfather moved to the Florida Keys. When she was 16 years old, she legally changed her last name to Heaney-Grier.