D'Alessio was born in an affluent area of
Toronto, Ontario, Canada, to Christina Ford, a commercial producer, and Richard D'Alessio. She was originally named Briar D'Alessio. She has a sister named Samantha D'Alessio. D'Alessio attended The Mabin School,
Bishop Strachan School, and
North Toronto Collegiate Institute in
Toronto before moving to
Los Angeles, California with her father (her mother lived in London), where she attended
Beverly Hills High School. She was discovered by photographer Bryant Eslava with model Josie Canseco. His photos of them went viral and were shared by celebrities such as
The Weeknd, and the official
Coachella account. She and her mother had become estranged after D'Alessio's success and she decided to leave school to pursue modelling. In 2020, she appeared in a campaign for
Marc Jacobs' Daisy perfume line. In October 2020, D'Alessio appeared in a campaign for
David Dobrik's perfume/cologne brand, ''David's Perfume''. ==References==