Last night on Late Night, John Slattery reenacted the Rihanna moves and white man’s overbite that culminated in his dapper GQ cover while Tina Fey watched, amused. Plus: Judd Apatow was considering a penile rejuvenation surgery that might even out his baby-makers until Craig Ferguson schooled him in testicular wisdom drawn from Dr. Oz; Danny McBride revealed the greasy trials and tribulations of growing a mullet for Eastbound & Down; and Jim Gaffigan delivered piquant commentary on our photo-crazy culture — “I have more pictures of my children than my father ever looked at me.†Watch our compilation to see what you missed.