The TV babe raised temperatures as she rocked a skintight dress on 8 Out of 10 Cats Does Countdown tonight.
Rachel Riley, 33, looked stunning as she sported the striped number on the Channel 4 show.
As well as showing off her curves, the outfit also showcased Rachel’s shapely pins.
Pasha Kovalev’s girlfriend teamed the racy number with dark smokey eye makeup.
“Good outfit there, young Rachel”
This was complimented by a soft red lipstick.
Meanwhile, Rachel’s golden locks were styled into a chic French plait.
Fans were loving the ensemble, judging by the Twitter comments.
One exclaimed: “Good outfit there, young Rachel.”
Rachel is normally seen on the daytime Countdown alongside host Nick Hewer.
However, on Friday nights she joins comedian Jimmy Carr and co. for the saucier version.
Rachel is also joined by Countdown co-star Susie Dent, who hosts Dictionary Corner.
The brunette also looked stunning tonight in a lacy black top.
8 Out of 10 Cats Does Countdown airs Friday nights on Channel 4 at 9pm.