Kevin Hart on The Tonight Show

Kevin Hart kickin' it with Jay Leno, Shaq and Justin T.

Take It Easy, Justin! - Looks like Jay has a situation on his hands. What's Justin Timberlake so worked up about? Did he hear that there's an even bigger star on The Tonight Show than him? (Photo: NBC)

1 / 6

Take It Easy, Justin! - Looks like Jay has a situation on his hands. What's Justin Timberlake so worked up about? Did he hear that there's an even bigger star on The Tonight Show than him? (Photo: NBC)

Photo By Photo: NBC

Shaq Attack! - What do you do when an NBA center yokes you up on your own talk show? Exactly what he tells you to do, that's what. But why is Shaq so agitated? Could it be that there's an even bigger star on the show than this 7-foot-1 325-pounder? (Photo: NBC)

2 / 6

Shaq Attack! - What do you do when an NBA center yokes you up on your own talk show? Exactly what he tells you to do, that's what. But why is Shaq so agitated? Could it be that there's an even bigger star on the show than this 7-foot-1 325-pounder? (Photo: NBC)

The Big Reveal - The big mystery guest's identity is revealed: It's the "Grown Little Man" himself, Kevin Hart. The 2011 BET Awards host may be a little shorter than Shaq, but his star power has never been bigger.  (Photo: NBC)

3 / 6

The Big Reveal - The big mystery guest's identity is revealed: It's the "Grown Little Man" himself, Kevin Hart. The 2011 BET Awards host may be a little shorter than Shaq, but his star power has never been bigger.  (Photo: NBC)

One-Upmanship - Looks like JT's getting a little sensitive about the height discrepancy. Didn't Justin ever hear that it's not the size of the boat, it's the motion in the ocean? Tell him, Kev! (Photo: NBC)

4 / 6

One-Upmanship - Looks like JT's getting a little sensitive about the height discrepancy. Didn't Justin ever hear that it's not the size of the boat, it's the motion in the ocean? Tell him, Kev! (Photo: NBC)

/content/dam/betcom/images/2011/06/Shows/BET-Awards-2011/062311-shows-bet-awards-kevin-hart-jay-leno-3.jpg

5 / 6

Why Can't We Be Friends? - You know these celebrities can be a little sensitive sometimes—especially when there's a really big star in the mix. But happily, Kevin used a little bit of comedic genius to defuse the tension. See? Maybe we can all just get along!

Gettin' a Leg Up - Just when we thought it was all good, Shaq decides to act up again. Will they ever learn?  (Photo: NBC)

6 / 6

Gettin' a Leg Up - Just when we thought it was all good, Shaq decides to act up again. Will they ever learn?  (Photo: NBC)