By Kelsey Glein
Updated Feb 03, 2016 @ 4:00 pm
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Credit: Noel Vasquez/Getty Images

Now this is the right way to party! Lauren Conrad celebrated her 30th birthday on Monday, Feb. 1, and she headed to Cabo San Lucas, Mexico, with her besties to mark the momentous occasion.

The star commemorated the vacation with a gorgeous Instagram photo that she shared today, which shows the fashionista and five of her friends from the back as they are lined up in an infinity pool that overlooks the ocean. "Had so much fun saying farewell to my 20's in Mexico," she wrote alongside the snap along with a series of vacation-related emojis.

Check out more photos Lauren's pals shared in honor of her special day below.