She played cello with the Boston Youth Symphony before realizing her pageant ambitions.
She was the first American winner of Miss Universe in over a decade.
She grew up with four siblings. Her father Peter has been a restaurateur and her mother Susan has played viola in the Boston Symphony Orchestra. She dated Nick Jonas from 2013 to 2015 and she was in a relationship with NFL receiver Danny Amendola from 2016 until 2018. In 2020, she began dating Christian McCaffrey.
She succeeded Angolan beauty queen Leila Lopes as Miss Universe.