Cardi B to Be First-Ever 'The Tonight Show' Co-Host

After granting Jimmy Fallon a rousing interview in December, Cardi B will return to the show on April 9. This time, however, instead of being the interviewee, Cardi will join Fallon on the other side of the table, as she becomes the first-ever The Tonight Show co-host. The news comes at a time when The Tonight Show is sliding in the ratings, losing out to rival programs hosted by Stephen Colbert and Jimmy Kimmel; Fallon's ratings have slipped 15 percent since last year, now averaging about 2.8 m...