Amanda has been on stage since the age of 6, when she joined her father Ken Duisenberg in a musical revue singing the role of Annie in "I Don't Need Anything But You". Since then, she has been in eight productions with Chorus Line Kids in Roseville, playing Pepper in Annie in 2004, and Dorothy in The Wizard of Oz in 2005. In April 2006, she performed "Rockin' Recess" with Roseville Performing Arts Studios. She has also performed several times in choirs at Quail Glen Elementary School and Adventure Christian Church.