At just 3 years old, she started modelling for major companies such as Ralph Laure, Garnet Hill, and Guess Kids.
She appeared in commercials for Kohl's and Mattel (Barbie).
Mackenzie gets her first guest spot on television show 'Til Death.
She stars as Renesmee Cullen in The Twilight Saga: Breaking Dawn.Filmography
She stars as Cindy Perron in the 2013 horror film The Conjuring.Filmography
She wins the Saturn Award for Best Performance by a Young Actor for her role as Murph Cooper in the 2014 Christopher Nolan film Interstellar.