Matt Damon Tells Adrian Grenier To Go F**k Himself & Other Fake Celebrity Freak-Outs (VIDEO)

With the release of Matt Damon's fake flip-out to promote the upcoming finale of "Entourage," we here at HuffPost Comedy thought we'd collect other infamous celebrity meltdowns of the faux variety. Of course two of our favorites: Rachel Harris losing it on a baby, and Stephen Colbert losing it on Steve Martin, are no longer available online. Boo.

Matt Damon Loses It On Adrien Grenier

While shooting a PSA for his clean water organization OneXOne, Matt Damon lost his cool and went on an F-bomb heavy tirade about Adrian Grenier.

"Dont get f***ing smart dude. If you don't want to do it walk away," he says. "F** you. Go f*** yourself!"

Good thing it was a faux freak-out. The stunt was a promotional bit for the upcoming season finale of "Entourage," in which Damon makes a cameo to promote his real-life charity.

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Comments

[BilaalUSA]

Grenier would make an excellent prank accomplice. As Matt stands over Adrian's blood stained body, Ashton Kutcher runs out with a Punk'd sign while laughing uncontrollably.

[Corve DaCosta]

go to rehab matt...loser

[TigersEye]

Rehab for having a sense of humor? Is that outlawed now?

[midwestblues]

I love Matt Damon. And that's something for a 68 year old grandma to say. He's got substance, humility, graciousness, and he's a caring young man.

Hurray for Matt D.

[TigersEye]

I agree. I like watching his movies, and he seems to have a great sense of humor.

[starrianna]

Was ANYONE able to watch this without PUKING?

[firelord5000]

It was a fake you imbec()le.

[Tenley]

If it's fake why does Damon say "Adrian" at the start at why does Grenier ask mid-way through whether this is as himself or Vince? I mean okay, if it's fake it's fake. But those parts of this thing aren't for Entourage. I mean Vince is Vince on Entourage. He's not Adrian, Matt Damon wouldn't call him Adrian, and he wouldn't ask if he's doing this as Adrian or as Vince. Just saying.

[ImissBush]

theres 1 born every min

[ignorantwillyharper]

That's what P.T. said.

[Ray E]

w/e it's fake

but damon is still an awesome person

[patrickgarret]

God people READ b4 you watch videos. ITS A JOKE! LOL

[cliffhammond]

If that was acting by Damon that was pretty darn good. I guess that's why he's in the money.

[BlueDog1]

The water is being chummed now watch the fish surface...­..........­..........­..........­....

[JR Jake]

If I am not correct, didn't the same thing happen to Matt as it did Adrian about 15 years ago? I don't know if it was a dream or actually happened where Matt was reading lines and the producer laid into him for flubbed lines. Oh well, wonderful twists that follow us in life. I don't think Matt's personality befits what we saw on the video. Maybe it was all acting? Hmmm......­..........­.....

[BrightAK]

Do you know what faux means?

[19JCMan]

If you could break away from F o x news for a minute you would realize it was a joke.

[davidvirgodc]

I f@#king love Matt Damon. This dude has got some serious thug in him. He seems like he could be that one white kid in an all black school and nobody'll F*&K with him.

Na mean?

[TigersEye]

And he also played that pretty well in Good Will Hunting.

[KeepItMoving08]

Me Loves He.

[ChumpChicken]

Maaaattttt Daaaaammmm­ooooonnnnn­!

[steveinohio]

Love the guy's work, but this is all I can think about anymore when I see his name in print. Nicely done.

[Happyexpat]

more proof of just how good an actor matt damon really is!

[praxitas]

grenier is the weakest ling in entourage, which in itself is light but tolerable fare. main problem is he couldn't act to save his life.

[LateForTheSky]

We can agree to disagree on this one. However, I think we can all agree that he is the HOTTEST!!!!