Brittany Cartwright also gave Kate Chastain her advice on throwing child birthday parties.
The Valley’s Brittany Cartwright is sure about one thing: Her son is the number one guy in the group.
Season 1, Episode 5 of Bravo Bravo F’ing Bravo with Kate Chastain, a live, interactive Bravo Insider original series, was taped just days before Cruz Michael Cauchi — Brittany's son with estranged husband Jax Taylor — will celebrate turning 4 on April 12, 2025, an amazing milestone for Brittany's "little partner in crime."
(Right now, Bravo Bravo F’ing Bravo with Kate Chastain is currently available online to select Bravo Insiders. But you can add yourself to the Bravo Insider wait list to be the first to know when we open up availability to watch and participate live in the digital show.)
“My baby!” Brittany gushed over a round of applause. “He’ll be 4 on Saturday!”
Brittany Cartwright talks plans for Cruz’s 4th birthday
Host Kate Chastain proudly announced that her son, Sullivan Cay, would be turning 2 in a few short weeks, and she wondered if he was too young to have an extravagant party. But Brittany said they were never too young.
“I threw a big party since year 1,” Brittany said. “So, do whatever you wanna do. It’s your baby.”
Kate said what she really wanted was to throw a party for herself, and, according to Brittany, that was perfectly acceptable.

“I have a bar every year at my son’s birthday parties for the parents,” the former Vanderpump Rules SURver continued. “You have to incorporate everything, you know? The theme, the bar, outfits, the everything.”
Although Brittany and Jax are currently estranged — events sure to play out in the upcoming season of The Valley — both have given their only child epic birthday parties over the years.
Cruz’s first birthday was a home run with a baseball-themed spectacular, as published on the child’s Instagram page managed by Brittany (his bio aptly describes him as “the #1 guy in this group”). The doting parents then gave Cruz a Toy Story theme for his second birthday
Last year, for birthday number three, Brittany and Jax reunited for a dinosaur-themed bash at the trampoline park.
“I knew you were the person to ask,” Kate told Brittany of her birthday advice. “I love this.”
Kate didn’t come to the studio empty-handed, however. She had some help from the live audience to pick the perfect birthday gift for little Cruz.
What did Cruz Cauchi get for his birthday?
Kate solicited help from the audience to make a decision.

“I wanted to get him a little something from the Bravoverse, but I couldn’t decide between three T-shirts,” the Below Deck alum explained. “So, I ordered them all.”
One audience member held up a blue T-shirt with white font that read: “THE REAL #1 GUY IN THE GROUP,” a nod to Jax Taylor’s bold statement when he and Brittany shared the screen on Vanderpump Rules (Season 4, Episode 16).
“That’s already true, of course,” Brittany declared.
The other two T-shirt choices referred to Bravo Bravo F’ing Bravo’s other guests on this episode, Summer House's Jesse Solomon and Shahs of Sunset's Reza Farahan.
A gray-colored tee read, “What would Jesse Solomon do?”, a reference to the original power ballad Jesse sang in Season 8. Meanwhile, a white shirt with a simple black mustache design was a clear nod to Reza's “sexy mustache."
Fans clapped their hands for which shirt they favored, but Brittany had her own preference.
“Number one guy,” she said. “Has to be.”
She added the first one made the most sense because "that’s the truth.”
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