Las Vegas, Nevada - Britney Spears had a family reunion with her brother Bryan amid talk of another conservatorship for the pop star.

What happened in Vegas didn't stay in Vegas, as the 42-year-old A-lister documented her time in Sin City with her brother for all to see!

Britney's Tuesday Instagram post featured clips of the pair having a spa day together.

In the video, The Woman in Me author is heard saying, "My brother, we're in Vegas, and we're going to the spa, and we're lost!"

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Britney filmed the pair entering Resorts World's Awana Spa, which the Womanizer artist dubbed "Disneyland for adults" and a "spaceship" with "a lot of balls" hanging from the ceiling.

"I feel like I'm trippin', dude! This is better than Disneyland 'cause it's sexy," she added.

The pop princess added a shot of herself and Bryan taking a selfie in the mirror.

Britney has stayed close with her brother but remains estranged from her parents and sister, Jamie Lynn.

Still, concern for Britney's well-being grows amid her romance with Paul Soliz, plus her recent hotel and alleged robbery incidents.