Melissa stepped in for TV host nancy O'Dell, who tore her meniscus while training and withdrew from the competition.
Lil' Kim Grammy Award Wining Rapper (paired with Derek Hough, who returns for his 4th season).
Holly Madison Playboy playmate and reality show star (paired with 2006 US National Finalist Dmitry Chaplin, who's making his Dancing with the Stars Debut this season).
The BBC has broadcast other ballroom dance programs for years, including "Come Dancing" which aired for nearly 50 years.
Dancing With The Stars is a wildly popular program across the world, with versions running in Australia, Austria, Belgium, Chile, Croatia, Czech Republic, Denmark, Estonia, Finland, Germany, India, Israel, Italy, Japan, the Netherlands, New Zealand, Norway, Poland, Portugal, Russia, Slovak Republic, South Africa, Sweden, Turkey, Ukraine and of course the United States.
Celebrities paired with professional dancers compete against each other in various ballroom dances.