Guests arrived to find Sir Ivan's castle lit up rainbow-style. The Peaceman Foundation, which was founded by Wilzig, focuses on supporting LGBT youth who have been affected by bullying, as well as veterans who suffer from PTSD.
Upon arrival, people were already getting into the groove, dancing in gazebos on the lawn, and on the inside stage.
Food was served, and guests chowed down on the beautiful lawn.
This year's costume theme was inspired by the 1970's disco band, the Village People.
David Warren and Silvina T.
next slide will load in 15 secondsSkip AdSkip AdGuest's costumes were based off the six members classic identities: cowboys, bikers, Native Americans, construction workers, cops, and sailors.
For some guests, this was their first Sir Ivan party — and they were impressed.
The dress-code wasn't too tight, so many guests got creative with their get-ups.
These two went for the cop and military style.
Anthony Bottley and Colin Asercion
The costumes varied from scantily clad...
Ariana Vitorl with a friend
next slide will load in 15 secondsSkip AdSkip Ad...to fun bathroom robes.
Many got into the disco inspired theme.
This was Rolise Rachel's sixth Sir Ivan party — her favorite was a couple years ago, themed "Wild Animals."
John and Susan Doneson of Bravo's "Secrets and Wives" dressed as a cop couple.
New York astrologer Angel Eyedealism raved about Sir Ivan's fabulous parties.
next slide will load in 15 secondsSkip AdSkip AdMusicians, such as Aaron Perry attended the event.
More guests show off their elaborate costumes.
The camera's were going off everywhere and the guests were ready to pose.
Joe Lalacci, Joanna Bronicki, and Peyman Umay
There was no shortage of drinks and rainbow themed decor.
Sir Ivan's "Peace" limousine, parked at the front of the castle sends his message of peace and love.
next slide will load in 15 secondsSkip AdSkip AdIts front makes Sir Ivan's message clear as crystal.
Sir Ivan got to see many friends throughout the night, including one of the Village People's original members, the cowboy Randy Jones.
They had some fun before making their debut into the party.
Sir Ivan came out on his balcony and admired the party below in his classic peace cape. He's been coined the "Peaceman" for his message of anti-bullying.
Sir Ivan and Jones posed for press pictures as the night got started.
next slide will load in 15 secondsSkip AdSkip AdSir Ivan even has a peace crest held by a knight's armor in his own bedroom.
Sir Ivan and his friends got goofy for the camera.
The party below mingled as they waited for the main event of the evening.
DJ Sin Morera spun disco and techno beats all night.
Attendees boogeyed their way across the dance floor to songs such as Funkytown by Lipps Inc.
next slide will load in 15 secondsSkip AdSkip AdThe guests danced throughout the night while waiting for Sir Ivan's performance.
People were getting rough and rowdy on the dance floor.
A dance circle even broke out right in front of the stage.
Finally, Sir Ivan arrived on a motorcycle — the crowd was excited to finally see the host.
He got dropped off right at the base of the stage.
next slide will load in 15 secondsSkip AdSkip AdHe was ready for the performance of his lifetime with his new song "Kiss All The Bullies Goodbye."
His friends and fans graced the stage with him, dancing in the background.
Sir Ivan performed with such enthusiasm, it was contagious.
You could tell he was having a fantastic time.
It was a very dramatic performance.
next slide will load in 15 secondsSkip AdSkip AdAlthough it was close to midnight, for most guests the party we just beginning.
The crowd was spilling out the door.
The motorcycle man himself who drove Sir Ivan in.
The fires were lit, and the real party began.
Unfortunately, it was time for Business Insider to head home.
next slide will load in 15 secondsSkip AdSkip AdUntil next year, we can only guess how Sir Ivan will out do himself yet again.