EXCLUSIVE: Blac Chyna Talks Wedding Planning With Rob Kardashian: 'We're Taking Things Slow'

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Blac Chyna is happier than ever, and her sweet smile says it all!

The 28-year-old model and her fiancé, Rob Kardashian, hosted a day party at the Sky Beach Club at the Tropicana in Las Vegas on Saturday, where ET exclusively caught up with a beaming Chyna.

WATCH: Blac Chyna Gets Emotional About Having Rob Kardashian's Baby

"Rob and I are having a great time celebrating with our friends and family," Chyna shared. "We are going to New Orleans after this and hope they'll join us there."

According to Chyna, who's pregnant with her and Kardashian's first child together, she's getting along well with the Kardashian-Jenner clan.

"Everyone's happy!" she said. "Things with Rob's family are fantastic."

While Chyna is ecstatic to walk down the aisle, she revealed that she and her reality TV star beau are in no rush to start planning their big day.

"We're taking things slow," she added.

WATCH: Blac Chyna Reveals She's Already Gained 20 Pounds From Her Pregnancy

That being said, a source close to Chyna told ET that their nuptials will most likely be a big event. "The proposal was big," the source explained. "It's clear Rob likes big gestures."

ET also caught up with Kardashian, 29, who revealed his fiancée is his No. 1 priority.

"I'm just chilling and making sure she's straight," he said.

During the event, Chyna took to Instagram to share a pic of herself sporting a beige halter dress and relaxing in a cabana located in the club's VIP area. Her fiancé went for a more casual look, rocking a polo shirt, dark pants and his signature Los Angeles Dodgers hat.

The official Instagram page for Sky Beach Club also shared a pic of the happy couple, which gave fans a peek at Chyna's burgeoning belly.

WATCH: Blac Chyna Shows Off Her Bare Baby Bump in New Selfie!

Chyna -- who is already mother to 3-year-old King Cairo, whom she shares with Kylie Jenner's ex-boyfriend, Tyga -- hasn't been shy about showing off her baby bump ever since she announced she was expecting.

On Wednesday, she put her bare belly on full display in a selfie posted to her social media accounts. Watch the video below to hear more.