With more than 4.7 million fans, she is a musical.ly phenomenon known best by the name mackxdavis who creates lip-sync and dance videos.
Before becoming a success on musical.ly, she created a YouNow channel in July of 2015. She performed in a Debbie Allen production of Brothers of the Knight at the Warner Theater.
She created a YouTube channel called dancingwithmackenzie where she posts her improvisation, choreography, tutorials, and tips.
She has a sister named Katelyn as well as three step brothers and a step sister from her mother's second marriage.
She performed a duet with Andrew Hale on musical.ly.