Last season's pro champion Mark Ballas and actress Melissa Joan Hart have been paired together for the ninth season of Dancing With The Stars
- and they're already Tweeting about it."Hiya partner!
the former Sabrina The Teenage Witch
at Mark on Friday night. "I'm so excited to get this season started! Can't wait to waltz tomorrow.
"You guys gotta follow @Mellyjhart, Mark Tweeted