This article originally appeared on New Idea.
Aged just 11 when she played the vocally talented Joanna in Love Actually, actress Olivia Olson has remained a child in the memories of many of the fans who have enjoyed watching the Christmas classic.
But off screen she’s now 24, and she’s grown up to be a beautiful young woman.
While you may know her best for her version of Mariah Carey’s All I Want for Christmas is You, she’s done plenty more since.
Moving to LA to do voice work, she's best known for her role as Marceline the Vampire Queen in the animated series, Adventure Time.
She's still singing too - with her own YouTube channel.