This Justin Timberlake photo contains
business suit, suit, and suit of clothes.
There might also be
dress suit, full dress, tailcoat, tail coat, tails, white tie, white tie and tails, bandsman, and three piece suit.
The 2nd part is just the dedication of this song, Justin said this building was the last NSYNC performance and since his former bandmate Chris Kirkpatrick is in the audience, Justin wanted to dedicate this song for him.