07/28/2014 12:04 EDT

Sandra Bullock's Birthday: Chelsea Handler Posts Party Weekend Photos

How did Sandra Bullock celebrate turning 50? With a "full moon."

The "Gravity" star's birthday bash took place in Jackson Hole, Wyoming, and thanks to Chelsea Handler, we get a sneak peek of exactly what went down.

The two are best buds, and famously appeared "naked" together in the shower for a "Chelsea Lately" sketch. Handler also introduced Bullock at her 2013 Hollywood Walk of Fame induction ceremony, but this weekend, it was all business. Party business.

Starting on Thursday, Handler shared this snap of the Oscar winner and her sister, pastry chef Gesine Bullock Prado, touching foreheads with the caption, "Happiest birthday." Dressed down in a black tank, gold bangles, and rocking a pale pink manicure, Bullock showed off her "Miss Congeniality" smile as the weekend's festivities continued.

Saturday night, Handler posted another photograph. This time, Bullock Prado's wearing the same "The Proposal"-inspired black-and-white striped top. Bullock, now clad in a classic jean jacket, takes in a night of hijinks in front of the Wyoming sunset. Of course, in the same picture, we see an overly-excitable party crew, Handler on all fours as a patron tries to take a bite out of her posterior, and, naturally, the aforementioned "full moon" -- complete with a hot pink thong.

Do you want to party with Sandra?

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