Jimmy Fallon begins hosting "The Tonight Show" on NBC next week, taking over from Jay Leno, who hosted for the past 22 years. (Fallon previously hosted "Late Night", which will now be hosted by fellow "Saturday Night Live" alum Seth Meyers.)

Fallon's first week is stacked. As The Hollywood Reporter notes, Fallon's first musical guest will be U2, who perform Monday, February 17.

Lady Gaga will play on February 18, while Arcade Fire will perform February 20; the episode will also feature Michelle Obama and Will Ferrell. The week closes out Friday, February 21 with an appearance from Justin Timberlake. Check out the full guest/musical guest schedule below.

The Roots have followed Fallon from "Late Night" to "The Tonight Show" to continue as his house band.

02-17 - Will Smith, musical guest U2

02-18 - Jerry Seinfeld, Kristen Wiig, musical guest Lady Gaga

02-19 - Bradley Cooper, musical guest Tim McGraw

02-20 - Michelle Obama, Will Ferrell, musical guest Arcade Fire

02-21 - Justin Timberlake

Watch Fallon's farewell "Late Night" performance with the Muppets, doing the Band's 1968 song "The Weight".