Though we still can't wrap our heads around the fact that Sandra Bullock turned 50 this past Saturday (July 26), the star began celebrating the big milestone last week with a girls' trip to Wyoming!

The women spent an evening out at the Million Dollar Cowboy Bar in Jackson Hole, where they reportedly danced and snapped pictures while a live band played.

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Comedienne Whitney Cummings captioned the above photo: "Now I know where all the cowboys have gone. Let's go make some bad choices!"

Sandra's close friend Chelsea Handler also shared a few photos from the birthday weekend, first posting a pic of the Oscar winner sharing a sweet moment with her sister Gesine:

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The gals also got together for a raunchy group shot, which can be viewed on Chelsea's Instagram!

Although Sandra's 4-year-old son Louis was not part of the festivities, we have no doubt the devoted mom carved out some special time with her only child!