The Emmerdale actor, 30, who joined Strictly at the last minute after Game of Thrones star Kristian Nairn withdrew due to injury, soared to the top of the leaderboard during Saturday night's show.
The Game Of Thrones star, 49, recently announced that he had been forced to quit the new series of Strictly for medical reasons. There is no suggestion his exit was related to the drug use.
Emmerdale star Lewis Cope has been announced as the newest star to join the Strictly Come Dancing lineup, after Kristian Nairn was forced to quit the show.