Charlize Theron, Olivia Wilde and More Celebrate Seth MacFarlane's Birthday

Find out how the Family Guy creator kicked off his big 4-0

By Brandi Fowler Oct 26, 2013 10:15 PMTags
Seth MacFarlaneAlberto E. Rodriguez/Getty Images

Seth MacFarlane celebrated his 40th birthday with a big, star-studded bash. 

The Family Guy creator headed to UCLA's Royce Hall for the occasion Friday night, where guests were treated to an orchesta performance --and a performance from MacFarlane himself--before heading to a reception in a large tent outside. 

Mcfarlane sang two of the 17 songs that the John Wilson Orchestra performed that night, crooning "Singin' in the Rain" and joining back in with the orchestra for their final song, a source told E! News.

It was a special night for the orchestra members as well, whose performance at the birthday party marked the first time they had ever played together in America.

Tommaso Boddi/WireImage

When the performance came to an end, guests headed to the tent outside, dubbed "the Moonshine Lounge."

Inside of the affair, produced by NVE, plush leather couches and seats were placed all around the grounds and golden, taupe fabric was draped around the tent and chandeliers.

Ladies clad in retro show girl outfits were holding trays topped with gum and candy as guests walked into the reception, and other waiters were on hand passing along chicken and waffle bites, bite sized yogurts and desserts.

Joe Jonas and his girlfriend Blanda Eggenschwiler were in attendance at the reception, munching on bites from the Katsuya sushi buffet and another Asian food buffet.

In addition to the main bar, there were smaller bars sprinkled throughout the room where guests enjoyed Hint Water and other beverages.

NEWS: Seth MacFarlane's Fox show Dads is awkward and offensive...so why are we laughing?

But, the fun didn't stop there.

Following the reception, some of the guests headed to a private after party at MacFarlane's home, where guests indulged in a macaroni and cheese bar and a sliders bar. 

According to a source, Sean Penn was in tow, as well as Paris and Nikki Hilton who both wore Halloween costumes to the event (Paris had on a Barbie girl outfit, while Nikki wore an Oktoberfest German Beer Girl costume).

Alex Pettyfer was also there in a Bad Grandpa costume, and Seth's BFF Charlize continued the party there as well, even coming to a friend's rescue when a woman fell in the pool and she helped her out.

The Oscar winner almost got soaked herself during the process, but luckily managed to stay dry.

MacFarlane certainly knows how to ring in a birthday.