Let's make this birthday one to remember.

39 years old (Born on January 11, 1986)

Happy Birthday, Rachel Riley! May your day be filled with more laughs than Jimmy Carr's jokes and fewer awkward pauses than a Countdown conundrum. Your quick wit and brilliant number-crunching on "8 Out of 10 Cats Does Countdown" have made math cool again—no small feat!

From effortlessly solving impossible equations to gracefully handling hilarious banter from comedians, you've given us countless memorable moments. Here's hoping your birthday adds up to endless joy, multiplied by laughter, minus any embarrassing bloopers (though we secretly love those too). Keep dazzling us with your charm and intelligence—you're truly the queen of countdown comedy!