Rachel Riley is looking a million dollars when the Mirror catch up at the Make-A-Wish charity’s annual ball, A Night of Wishes, at London’s swanky Savoy Hotel. Laughing, the 40-year-old Countdown star says it’s a far cry from the situation at the same ball last year – when her heel broke and she ended up in a side room doing a “hasty repair job with a wad of Sellotape”. The maths whizz is on top form as we chat about her telly work, who she thinks the new Strictly Come Dancing hosts should be