David Letterman made a surprise cameo on The Tonight Show Starring Jimmy Fallon on Feb. 10, interrupting Fallon's monologue ...

David Letterman - with help from some flour tortillas - made a return to the late-night stage Monday. Letterman crashed Jimmy ...

On Feb. 10, David Letterman stopped by “The Tonight Show Starring Jimmy Fallon” while his former bandleader, Paul Shaffer, ...

"Is this the 23rd hour of The Today Show?,” Letterman asked as he wandered onto the stage to greet Jimmy Fallon.

Paul Shaffer, who spent 33 years as David Letterman’s musical director, is returning to late-night and reuniting with his ...

Jimmy takes a moment to introduce Paul Shaffer and The World's Most Dangerous Band, who will be filling in for The Roots ...

Also announced on Thursday, Cher, Lauryn Hill, Dave Grohl, Snoop Dogg, St. Vincent and Wyclef Jean have joined the party of ...

Fallon was riffing with Paul Shaffer and the World’s Most Dangerous Band, Letterman’s longtime sidekick and band from his time hosting CBS’ Late Show from 1982 to 2015 — Shaffer and co were filling in ...

Jimmy Fallon viewers were left surprised earlier this month when The Roots, the show's longtime house band, were noticeably absent.

Arcade Fire, Backstreet Boys, Bad Bunny, Eddie Vedder, Jack White, Jelly Roll, Lady Gaga and Miley Cyrus among the performers ...

Ana Gasteyer, Maya Rudolph, Andy Samberg and more were also added to the celebrity lineup of Friday's kickoff celebration ...

TV legend David Letterman made a surprise appearance on NBC’s “Tonight Show” on Monday night during host Jimmy Fallon’s ...