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7/24/2010 4:10 AM PDT BY TMZ STAFF
Gerard Butler to Demi: 'You Shook Me All Night Long'

Patrons of a karaoke bar in Michigan got the unexpected surprise performance of a lifetime when Gerard Butler, Demi Moore and Michelle Monaghan took time out from shooting their latest films to belt out ACDC's "You Shook Me All Night Long" the other night.

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While it's obvious everyone at Rockstarz Karaoke Bar & Grill had a blast, it's also safe to say Gerard and crew will most likely hold on to their day jobs.

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Reader Comments

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1.

Joan:  568 days ago

Love to see they genuinely enjoying themselves. Demi is great fun and Gerry will see everyone safe home as he is a non drinker. Love the guy. What a voice.

LuvYa
Joan (HUG) xxxx

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2.

ouy:  568 days ago

Who wouldn't want to stand close to Gerald! YUMMY!

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3.

electriczipper:  568 days ago

why was tiger there?

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4.

M:  568 days ago

They look and act like the fools they are.

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5.

squeakermama:  568 days ago

Uh. I guess it was one of those "you had to be there" moments.

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6.

Ginger:  568 days ago

Uh, Ashton, it's late at night - do you know where your wife is?

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7.

Alexa:  568 days ago

Don't people grow out of the bar scene by the time they're 30?

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8.

gypsy:  568 days ago

Notice Gerald Butler, motioning to someone in the bar? Looks like he is asking if they "are getting getting this (on camera)?" Publicity anyone?

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9.

youdrink toomuch:  568 days ago

karaoke? psshht! karaoke does for people who can't sing what the Macarena did for those who couldn't dance! ...and no, douchenozzle, you don't sound better drunk!

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10.

Vanessa Bee:  568 days ago

Very cute video!

But there is also a video of him singing in on YouTube, titled - "Gerard Butler Singing "Sex Bomb" while he was filming in Belgrade Serbia. He actually sounds really good in that "Sex Bomb" impromptu karoke performance in Belgrade.

Check it out:http://www.youtube.com/watch?v=6SGiIIJvGUQ

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11.

Whip It:  568 days ago

WHIP IT.............................

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12.

Crystal Peterson:  566 days ago

Wow, I never thought my hometown of Garden City, Michigan would make it on to TMZ - guess I was wrong

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13.

Laura:  559 days ago

Gerard Butler made Mougar of the Month!! LOL Awesome post! Check it out on http://hotcelebstalk.com/

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14.

Irish Girl:  409 days ago

I would have loved to have been standing beside of Gerry. Just to have met the guy, he seems so real. Most men aren't today. I know the man can sing and dance. And, he say's he's a non drinker. Would have loved just to have been there!!YUM!!

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