The 27-year-old Dancing With The Stars pro took pics with fans before a short signing.
“Had a blast signing at the Disney D23!! Thanks for having me ???? @DancingABC #dwts,” Allison wrote on Twitter.
Later at the convention, Allison ran into Chewbacca dressed as The Beast, from Beauty and the Beast!
“New best friend chewbacca !! #d23 #disney #starwars,” she captioned.