With Strictly Come Dancing back on our screens, a whole new host of celebrities are getting to put their dance moves to the test in a bid to get their hands on the famous Glitterball Trophy. While viewers at home may be being introduced to a brand new Strictly cohort, which is full of celebs from the world of acting and sport, it’s not just the contestants who will be saying hello to the BBC ballroom. In fact, this year the show has the biggest professional line-up in its history, with 20 pros taking to our screens.