WATCH: The hardest Grill The Grid yet? The drivers attempt the Champions Challenge - and find out who is crowned overall champion!

Grill The Grid has seen the F1 drivers try to name every F1 circuit, every F1 team in history, and more – but this one might be the toughest one they've faced...

Cue a chorus of groans from the likes of Mick Schumacher and Yuki Tsunoda as they're tasked with naming every Formula 1 drivers' champion - but in reverse order. It starts easy enough, but quickly gets difficult, as the likes of Lando Norris discover...

Click play in the video above to see how all 20 drivers fare in the latest Grill The Grid, and how hard it really is to name every championship going backwards.

And make sure you stick around to the very end to see this year's overall champion crowned. Can you guess who is taking home our eco-friendly trophy?

WATCH: The drivers try to name every country where F1 has raced in Grill The Grid