Day was homeschooled after second grade. She has an older sister, Savannah, and a twin brother who is also an actor and singer,
Dalton Day. All three have competed in gymnastics and cheerleading. She wrote a song called "Ian's Song" for Nelson which is included on her
Between the I and the You EP (2014). On November 26, 2015, during their trip to
Italy, Nelson proposed to Day in
Cortona. In a live stream on
YouTube celebrating her music video release for "Ian's Song" on September 10, 2016, Day said that after the proposal, she wrote another song about Nelson called "Mine Sweet Mine", which she performed during the live show. Day and Nelson married in
Camarillo, California on September 30, 2017. In July 2024, Day announced she was pregnant with her first child, she gave birth to a boy the following December. == Filmography ==