A grandmother from Colorada named Doreen Grett has become an internet sensation after taking shots with some bikini-clad Spring Breakers in Cabo San Lucas. Doreen posted a photo of the partying to her Facebook, which her granddaughter Payton  screenshot and shared on Twitter. 

The Tweet has gone viral, receiving over 20K RT's at the time of this posting. 

Payton said" 'My grandma is in Mexico taking shots with random girls on the beach and posting pics of it with captions like they're BFFs"

This grandma is the epitome of cool.

One of the girls ("Blonde Ambition") replied, stating how much she loves Payton's grandma, complete with video of the event: