Matt Damon surprised Jimmy Fallon viewers with an unexpected late-night appearance that introduced a brand-new alter ego.

The star of The Odyssey took center stage and showed off his (almost) impressive hip-hop skills.

Matt Damon performed a rap as his alter ego, The Nomad, on The Tonight Show Starring Jimmy Fallon to promote safe water ...

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Can the world get enough of Justin Timberlake and Jimmy Fallon's bromance? No, apparently not. On Wednesday night, Timberlake and Fallon performed Part Six of "History of Rap" on "The Tonight Show ...

To celebrate the start of Jimmy Fallon’s stay in Orlando, Florida, “The Tonight Show” presented a new Brian Williams mashup rap video featuring the "NBC Nightly News" anchor taking on Sir Mix-A-Lot's ...

Add Yahoo as a preferred source to see more of our stories on Google. During her opening monologue on “Saturday Night Live U.K.,” host Nicola Coughlan got a little assistance from “SNL” legend Jimmy ...

There was no introduction needed when Jimmy Fallon and Justin Timberlake took the stage on "The Tonight Show" set. Timberlake’s Friday night guest appearance on "The Tonight Show Starring Jimmy Fallon ...

Jimmy Fallon took it back, way back, again this time with a rap performance with actor Will Smith on Thursday's "The Tonight Show Starring Jimmy Fallon." ...

During her opening monologue on “Saturday Night Live U.K.,” host Nicola Coughlan got a little assistance from “SNL” legend Jimmy Fallon, who joined the “Bridgerton” star for a chaotic studio tour and ...