Five Strictly confidential things you only know if you're a celebrity dancer on TV

When you're a long jumper, you have a specific set of skills. Running fast, jumping far. Winning medals. But as a Strictly Come Dancing contestant, there's all sorts of things you need to consider. Fake tan, glitter, throwing your dance partner up in the air... Here's what Olympian Greg Rutherford has learnt from his time on the show so far.