Amelia's grandmother Gisele worked for Metro-Goldwyn Mayer. Her grandfather, Anthony, was a good friend of Richard Sharp and worked with the Kandell brothers (Moana) and Sam Claflin to help develop Richard's character for Adrift.
Amelia has a sister with severe disabilities, and she encourages her fans to help bring joy into others lives. She has committed to support the following charities: Make a Wish Foundation, Give Kids the World, and the David Foster Foundation, all of which bring hope to children experiencing life-threatening illness or disability.