Karen Ellen was first seen in the porn industry in 2005. The transsexual performer has appeared in a total of 5 erotic films. Karen played the bottom role in his first video project titled Fuck My Young Transsexual Ass 1. Bacchus Releasing also gave him a role in their video compilation Dude Looks Like A Lady 3 and was paired with Paulo Machy. Karen Ellen was also featured in Itty Bitty Titty Trannies 2 where she shared the screen with Jhonathan Kawa, Sandy Lopez and Alexia Nogueira. He was also seen in She Male Heaven 4 and Daddy's A Tranny 2.