Monica Lewinsky and Moby Helped Host a Huge Hollywood Party for This Guy

It started with bullies laughing at him for dancing.

Image via 4chan/Twitter

But he got the last laugh — and the last dance.

#DancingMan #Hollywood

A photo posted by David Falcon (@mrfalcon) on May 23, 2015 at 8:21pm PDT

Sean O'Brien was ridiculed online a few months ago when someone snapped a picture of him boogying in a nightclub and mocked the overweight man for dancing.

But celebrities and regular folks alike soon jumped to O'Brien's defense, and using the hashtag #dancingman, they organized to find him and fund a massive dance party — with a GoFundMe crowd funding campaign raised more than $40,000 — for him.

That party went down Saturday night.

#dancingman

A video posted by murdaball (@murdaball) on May 23, 2015 at 8:38pm PDT

The Avalon, an historic Hollywood nightclub, hosted the bash, and electronica artist Moby DJ'd.

#Moby #HandsUp #Hollywood

A photo posted by David Falcon (@mrfalcon) on May 23, 2015 at 11:50pm PDT

Among the attendees were Cassandra Fairbanks, the woman who kicked off the search for "Dancing Man"...

Look who's rocking at Dancing Man @CassandraRules pic.twitter.com/SoDNDO1mmf

— Regina (@regibaby67) May 24, 2015

...and Monica Lewisnky, who has returned to the spotlight in recent years and embarked on an anti-bullying crusade.

#IAMDANCINGMAN @MonicaLewinsky and @Dancingmanfound wey hey Sean and Monica - tip top!! The PaRtay is going!! pic.twitter.com/B2vb0CHeLU

— Annie Mullins (@Annie_R_Mullins) May 24, 2015

A giant check to an anti-bullying organization was presented...

So many good vibes tonight. #dancingmanparty #dancingman

A photo posted by Lyndsey Parker (@lyndseyparker) on May 23, 2015 at 9:04pm PDT

...and lots of dancing was had by all.

#dancingman

A photo posted by Mindy Jones (@mindianajones_) on May 23, 2015 at 8:26pm PDT

See more from the shindig at Mashable.

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Follow Zach Noble (@thezachnoble) on Twitter