Theo Wargo/WireImage.com For Scarlett Johansson and Jessica Biel's sake, it's good to see that Justin Timberlake always wraps his package. And while Cameron Diaz may have had cause to regift this particular parcel, the "Dick in a Box" crooner, with duet partner Andy Samberg, no doubt put the ladies in attendance at his Madison Square Garden gig in a very receiving mood. So much for performance anxiety.