Willett was born and raised in New York City and has two younger siblings.
She attended IMG Academy, a tennis-focused boarding school.
Willett graduated from the University of Southern California with a Bachelor of Arts degree in economics, Spanish, and theatre.
[citation needed] She later trained in performing arts at the William Esper Studio in New York and in Los Angeles with the Upright Citizens Brigade and the Groundlings.
[1][2][3] Willett made her film debut in the third installment of the Sharknado series in 2015.