Jen Hirsh (born June 25, 1986 in Agora Hills, California) is a singer in Phineas and Ferb. She provided the voice of the moms for the song "We Are the Moms" (episode "The Mom Attractor"), and also sings the "Double Dutch" song in the episode "When Worlds Collide", "Giant Puppet Show" in "The Return of the Rogue Rabbit", and also sings "There's No One I'd Rather Go Nowhere With" in "Last Day of Summer".