Gwen Stefani came baring gifts for Kate Hudson…in her shorts

Gwen Stefani was one of the many guests invited to Kate Hudson’s 30th birthday bash held at Goldie Hawn’s house in Pacific Palisades…and she looked like an old guy with waist-high pants and enlarged testicles weighing him down.

The party was star-studded and it included guests like Demi Moore and Ashton Kutcher, Justin Timberlake (sans Jessica Biel), Cher, Adam Sandler, Eva Mendez, Mathew McConaughey, Tobey Maguire, Jessica Alba and Cash Warren, Gwyneth Paltrow and hubby Chris Martin and Zach Braff.

According to a People Magazine source, Kate Hudson was elated, dancing all night, having the time of her life (while Owen Wilson was at his apartment studying his kitchen knives and evaluating them based on sharpness and ability to produce a clean cut…just joking…)
“Justin Timberlake was the life of the party,” says the source. “He was dancing, drinking tequila, and he had everyone doing the ‘electric slide’ on the dance floor.”
Another partygoer “was even twirling Kate and Goldie around on dance floor,” says the source.

As for the other revelers, “Eva Mendes kept a low profile, hanging out mostly with Zach Braff and Cash Warren in the beginning of night,” says the source. “And Adam Sandler came by very briefly to say happy birthday and grab a cupcake, while Cher spent the whole night dancing, of course!”

According to reports the party must have been a loud one because the police was called at around 1:30am due to a noise complaint by neighbours (that’s just the official word…neighbours just got spooked out by a blond guy hiding in the bushes and called the cops…identity of the mystery man remains unknown, but we are told he had a busted, crooked nose…)