The Bridgerton star has a funny run-in with the Foo Fighters frontman as Fallon encourages her to make the most of hosting live TV. Jimmy Fallon and Dave Grohl appear in 'SNL UK' host Nicola Coughlan's monologue on Saturday, April 25, 2026. 'SNL UK'/Sky TV Trending on Billboard Foo Fighters are booked as musical guest on this weekend’s SNL UK , but fans didn’t have to wait for the band’s live performance to air for their first Dave Grohl spotting of the night. For Bridgerton and Derry Girls star Nicola Coughlan’s turn hosting Saturday night’s (April 25) episode of the original SNL spinoff, an American SNL veteran popped in — to encourage the Irish actress to make some mischief while the cameras are rolling during the program’s live broadcast. Viewers in the United States can catch a clip of her monologue below from broadcaster Sky TV.…