Born as Kristen Jane Anderson, she an American actress and songwriter.
Anderson-Lopez, along with her husband Robert Lopez and Henry Jackman wrote and produced music for the 2011 Disney film Winnie the Pooh, for which they were nominated an Annie Award for Best Music in a Feature Production. She also provided the voice of Kanga in the film. Additionally, she wrote songs for a Walt Disney World production of Finding Nemo - The Musical.
She and her husband also wrote the songs for Disney's Frozen.