‘SNL’: Paul McCartney Joins Monologue’s Will Ferrell/Chad Smith Joke

Will Ferrell’s much-anticipated monologue for his return as SNL host was hijacked by two music stars: Paul McCartney and Red Hot Chili Peppers drummer Chad Smith.

First up: Chili Peppers’ Smith took the stage posing as Ferrell Saturday night (May 16), in a nod to the longtime consensus that Smith and Ferrell are celebrity lookalikes. (More than decade ago, the two faced their match in a funny drum-off put together by Jimmy Fallon.)

For last night’s SNL season finale, the actual drummer kicked off Ferrell’s monologue — introduced to the crowd as Ferrell.

“I’m thrilled to be back here…