Rachel Riley stuns audience with beautiful floral dress on Countdown

Countdown presenter Rachel Riley tests 'at home' version of game

Rachel Riley can't help laughing at naughty answer on Countdown

Rachel Riley shows of her pins in colourful mini dress

Rachel Riley reveals her boyfriend has been on Countdown

'Noshable': Rachel Riley left red-faced by rude word on Countdown

Rachel Riley says she wears fake tan during Countdown filming

Rachel Riley stuns audience with beautiful floral dress on Countdown

Countdown's Rachel Riley sets pulses racing with very cheeky Christmas jumper