Amy Poehler and Jimmy Fallon spent three seasons together on "Saturday Night Live" back in the early 2000s, so it makes sense he'd be excited to see her host the late-night sketch comedy show this weekend.

“ Tonight Show ” host Jimmy Fallon on Thursday took on President Donald Trump for making “no secret” about his hopes of winning the Nobel Peace Prize. Fallon tossed to a mock White House campaign video where a narrator breaks down why the president “deserves” to win the coveted award.

EJAE, Audrey Nuna and Rei Ami joined "the Tonight Show Starring Jimmy Fallon" for the first live performance of "Golden," from "KPop Demon Hunters."

In "Singing Whisper Challenge," Lopez and Fallon took turns wearing large noise-cancelling headphones and attempting to guess what song the other person was quietly singing. She got every song immediately, starting with "I Feel Pretty" from West Side Story. "I'm an excellent lip reader!" she shouted.

Hayley Williams appeared on "The Tonight Show Starring Jimmy Fallon" to play "True Believer" from her recent album, "Ego Death at a Bachelorette Party."

Jimmy Fallon and "The Tonight Show" have had a pretty huge week when it comes to guests for the show. But now, the NBC host is hoping that audiences will come for him, instead of his guests. To kick off his monologue on Tuesday night,

Taylor Swift wore a silver minidress to appear on The Tonight Show Starring Jimmy Fallon. The "Fortnight" singer made her return to the show after three years. She promoted her new album, The Life of a Showgirl.