Now she's in her 12th season on the LPGA, she's a U.S. Women's Open winner, and she just celebrated the big 3-0 with some of her best friends in a Las Vegas excursion.
And - thanks, PC! - she and her friends shared photos of the partying. That included using their own hashtag - #downanddirtyforPCs30.
Some might hashtag these first couple pics #squadgoals:
Here are a couple of Paula with buddy Morgan Pressel:
This is Paula with Sydnee Michaels:
And here's Paula with Kelly Thesier of LPGA headquarters:
And finally, we have cake and cupcakes:
And the action continues the next day: