John Krasinski and Jimmy Fallon Lip Sync “I’ll Make Love To You” on Late Night With Jimmy Fallon - 5/7/13 - (x)

Jenna Fischer - Late Night With Jimmy Fallon - 5/6/13

Jenna Fischer on her bond with John Krasinski - Late Night With Jimmy Fallon - 5/6/13

Day 5 of Timberweek on Late Night With Jimmy Fallon - The History of Rap: Part 4 - 3/15/13 (x)

Justin Timberlake performing “Strawberry Bubblegum” on Late Night With Jimmy Fallon - 3/14/13

Day 4 of Timberweek on Late Night With Jimmy Fallon - 3/14/13

Day 3 of Timberweek on Late Night With Jimmy Fallon - Jacob’s Patience starring Steve Carell, Justin Timberlake, and Jimmy Fallon - 3/13/13

Justin Timberlake on Late Night With Jimmy Fallon - 3/12/13

Day 2 of Timberweek on Late Night With Jimmy Fallon - 3/12/13

Day 1 of Timberweek on Late Night With Jimmy Fallon - 3/11/13

Justin Timberlake on Late Night With Jimmy Fallon - 3/11/13

Tina Fey on Late Night With Jimmy Fallon - 2/28/13