It's Gwyneth Paltrow playing that classic game of 'Slay It, Don't Spray It.'

Gwyneth Paltrow made an appearance on 'The Tonight Show starring Jimmy Fallon' that we bet she later regretted.

Playing Fallon's 'Slay It, Don't Spray It,' the game involves singing karaoke to a well-known song, and trying not to get the missing sentence wrong. If you do, you get a big ol' load of water sprayed into your immaculate face. If you get it right however, your opponent will be the one getting sprayed.

We wouldn't like to play this at home, never mind in front of an international audience.

Gwyneth Paltrow is a trooper however, and gives the singing competition a go. Donning their "safety glasses," the pair attempt to finish the lyrics of famous songs from artists such as Ariana Grande and OutKast.

Have a look at the mayhem below.