Kristin Cavallari lets off steam in a skimpy black bikini

Kristin Cavallari lets off steam in a skimpy black bikini in Mexico

Kristin Cavallari knows how to have fun on vacation.

The Uncommon James founder, 36, shared several photos from her fun-filled Mexican vacation, during which she attended friend Steph Biegel’s beach wedding.

The reality star showed off her toned abs while partying with friends and said the weekend was “one for the books”.

Her BFF got married in Mexico: Kristin Cavallari, 36, shared some pics from her pal Steph Biegel's wedding on Wednesday

Her BFF got married in Mexico: Kristin Cavallari, 36, shared some pics from her pal Steph Biegel’s wedding on Wednesday

She started her photo carousel with a photo of herself in a low-cut white dress amidst a tropical backdrop of blue skies, a palm tree and the Caribbean Sea.

Kristin styled her signature blonde locks in bouncy waves while posing with one hand on her hip and the other leaning against a tall wooden pillar.

The Laguna Beach star also shared a snap in a tiny black bikini, posing in front of a mirror in her hotel room. She completed the look with a brown hat.

When in Mexico: Cavallari isn't shy when it comes to showing off her body on Instagram

When in Mexico: Cavallari isn’t shy when it comes to showing off her body on Instagram

Kristin also celebrated her friend, who appeared with her on the reality series Very Cavallari, with a separate post of the two together.

“I’m the worst and didn’t get good pictures from the actual wedding but my best friend got married this weekend and I’ve never seen her prettier or happier.

“Nobody deserves all the love more than her. love you so much @sbiegs,” she wrote.

Always fun: Kristin and her BFF Steph had a laugh as they enjoyed an evening together outside near a large swimming pool

Always fun: Kristin and her BFF Steph had a laugh as they enjoyed an evening together outside near a large swimming pool

With the groom: In the last picture, the Hills star posed with groom David Strauss outside on an outdoor wooden deck

With the groom: In the last picture, the Hills star posed with groom David Strauss outside on an outdoor wooden deck

The beauty mogul appears to have had a blast on the trip with additional party shots of the wedding festivities.

She gave followers a glimpse of the party with a couple of shots on a dock with the bride and groom, as well as a group shot surrounded by gold and silver confetti, with a DJ spinning in the background.

The fashion-forward star showed off her outfit with another mirror selfie featuring an orange tube top and flowy zigzag pants.

All together: At the party, everyone posed for a group photo surrounded by gold and silver confetti, with the DJ at their backs

All together: At the party, everyone posed for a group photo surrounded by gold and silver confetti, with the DJ at their backs

Beach look: Kristin showed off her tan lines in an orange tube top paired with flowy, multicolored pants

Beach look: Kristin showed off her tan lines in an orange tube top paired with flowy, multicolored pants

Though seemingly alone during this recent trip to Mexico, she recently addressed speculation about their dating status.

During a Q&A with longtime boyfriend Stephen Colletti on Thursday, Kristin was asked about her romance with reality TV hunk Tyler Cameron.

Kristin was spotted at a New Year’s Eve party getting cozy with the reality star who found fame on The Bachelorette and seemed nervous when asked the name of the last person she dated.

She grabbed her drink without naming a name and said: “I’ll take a sip so I don’t have to say it. It was New Year’s weekend.’

Opening Up: Cavallari addressed Tyler Cameron dating rumors during a Q&A session with longtime boyfriend Stephen Colletti

Opening Up: Cavallari addressed Tyler Cameron dating rumors during a Q&A session with longtime boyfriend Stephen Colletti

Eight months after they snogged in a commercial, Laguna Beach alum Cavallari rang the bell at a New Year's Eve party in Nashville with The Bachelorette #15 runner-up Tyler Cameron in 2023

Eight months after they snogged in a commercial, Laguna Beach alum Cavallari rang the bell at a New Year’s Eve party in Nashville with The Bachelorette #15 runner-up Tyler Cameron in 2023

Wasted!  Cameron appeared to have passed out in the car after the party, meaning Cavallari likely returned to her $5.5 million Franklin, TN estate alone

Wasted! Cameron appeared to have passed out in the car after the party, meaning Cavallari likely returned to her $5.5 million Franklin, TN estate alone

Various attendees at the Nashville party posted social media footage showing Kristin and Tyler becoming close during the celebrations.

However, at the end of the night, Tyler was pictured on social media by one of his friends, apparently passed out in the back seat of a car.

Their New Year’s Eve antics came eight months after they snogged in a steamy commercial in which they pretended to be married for their brand Uncommon James.

The Hills star has dated two mystery men privately since the end of her six-year marriage to former NFL player Jay Cutler, with whom she shares children Camden, 10, Jaxon, 8, and Saylor, 7.

employed actor?  It's been eight months since the Denver native hired podcaster Everybody But Me to star in a steamy commercial for her Uncommon James fall collection, Untamed

employed actor? It’s been eight months since the Denver native hired podcaster Everybody But Me to star in a steamy commercial for her Uncommon James fall collection, Untamed

Kristin made headlines on April 4 for kissing Tyler on the set of Joshua Tree, but clarified to ET four days later,

Kristin made headlines on April 4 for kissing Tyler on the set of Joshua Tree, but clarified to ET four days later, “There’s nothing going on. Nice man, [but] we are not dating, i promise’

Co-parents: The Cribs guest star and the 39-year-old retired NFL quarterback are still co-parents to their three children - son Jaxon Wyatt, 8;  daughter Saylor James, 7;  and son Camden Jack, 10 (pictured September 11)

Co-parents: The Cribs guest star and the 39-year-old retired NFL quarterback are still co-parents to their three children – son Jaxon Wyatt, 8; daughter Saylor James, 7; and son Camden Jack, 10 (pictured September 11)