Justin Timberlake is leaving NO stone unturned when it comes to his musical comeback. The singer/actor will be gracing the stage on Saturday Night Live this weekend, and he’ll be double dipping in duties: hosting AND performing. I wonder if Andy Samberg will return too so we can get another “D*ck In The Box” reprise? LOL! Check out his promo for this week’s episode alongside SNL cast member Kenan Thompson below.