Aviva Chiara Mongillo (born February 6, 1998), also known as Carys, is a Canadian pop singer and actress.

She is best known for her roles as Alya Kendrick in the Family Channel drama series Backstage and Juniper in the CBC sitcom Workin' Moms.

After the online success of "Princesses Don't Cry", she released the EP To Anyone Like Me on October 2, 2020, through Warner Music Canada.

[3] While attending Unionville High School, Mongillo posted a number of original songs to SoundCloud.

[8] In 2018, Mongillo began portraying the recurring role of Juniper in the CBC sitcom Workin' Moms.

[13] Later in 2019, she began performing under the stage name Carys, with the single "Bad Boy" released on July 26, 2019.