Callista Clark is making quite the impression on country music at the young age of 18 years old. She can’t help it if she’s one of a kind! You may know her name from her viral video of her singing “Have You Ever Seen The Rain,” but she has since signed a record deal with Big Machine Records. Callista released her first EP in 2021, and people are stunned by the talent of this young girl. Here are some of Callista’s best on- stage moments.