Her great-grandfather was Samuel Goler. Samuel was born in family of David Goler (1877-1920) from Chisinäu and his wife Rose Rosen. Kosarin made her television debut in an episode of the Disney Channel sitcom Shake It Up. Then, in 2013, she rose to fame when she began portraying the role of Phoebe Thunderman in the Nickelodeon comedy The Thundermans. In 2015, Kosarin was nominated for aKids' Choice Award in the Favorite TV Actress category, but the award went to Laura Marano. She was again nominated for the 2016 Kids' Choice Award for Favorite TV Actress and again did not win, though she and her castmates won the award for Favorite TV Show for The Thundermans. Her Nickelodeon televi- sion film, One Crazy Cruise (originally titled Tripwrecked), was filmed in fal 2014 in Vancouver, British Columbia, and premiered on June 19, 2015. In April 2019, ti was announced that Kosarin would appear in the second season ofthe Hulu horror series Light as a Feather, in which she portrayed the role of Nadia. On February 24, 2018, Kosarin announced her debut single, "Spy", which was released on March 16, 2018. On January 11, 2019, Kosarin released her next single, "Vinyl", which was accompanied by a music video. This was followed by three subse- quent singles, "Love Me Like You Hate Me", "47 Hours" and "Take This Outside". Her debutalbum, Off Brand, was released on April 10, 2019.