Jimmy Fallon April 10, 2018 7:01 am ‘Tonight': Co-Host Cardi B Tells Jokes In Jimmy Fallon's Monologue Cardi B steps in as Jimmy Fallon’s co-host and kicks off the job by adding her twist to his monologue from Monday, April 9. Local 3:27 Here's one of the luxurious suites your favorite A-list celebs are getting ready in for the Met Gala 1:15 Anna Nicole Smith's look-alike daughter Dannielynn Birkhead attends 2024 Kentucky Derby 1:41 ‘The Mummy' turns 25: Remembering the Brendan Fraser classic 3:27 Dua Lipa claps back at viral ‘give us nothing' meme during ‘SNL' hosting debut 1:42 Man dies after crashing into White House security barrier