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Blac Chyna, Tina Knowles, Instagram

Instagram

Blac Chyna's weekend getaway to Las Vegas just gets more and more celebrity-packed!

The 28-year-old pregnant glamour model and soon-to-be E! reality star hung out with the queen mother herself, Tina KnowlesBeyoncé's mom. Blac Chyna posted a photo of her with the House of Deréon fashion designer on Instagram page Sunday. Blac Chyna sported a long hot pink and cotton candy pink ombré wig, black and white shirt and black baseball cap, while Tina wore a tight black top and sunglasses.

"It was wonderful seeing Mrs Tina," Blac Chyna wrote. "She's super sweet & beautiful."

"You just meant Beyoncé's mom," a fan replied. "Bitccch you made it."

Tina had traveled to Las Vegas with her husband, Richard Lawson, to attend charity events. She shared a photo of the two on her Instagram page but has not mentioned Blac Chyna on social media.

Old Hollywood days with my Man????????

A photo posted by Tina Knowles (@mstinalawson) on

Blac Chyna's fiancé Rob Kardashian's sister Kim Kardashian and husband Kanye West have spent time with Beyoncé and husband Jay-Z many times in the past.

On Saturday night, Blac Chyna attended Mariah Carey's concert at Caesar's Palace, one of her residency shows, and was invited to go onstage. There, she was treated to a striptease from one of the singer's dancers.

Blac Chyna's was accompanied by friends in Las Vegas. Rob was not spotted.

The two are currently expecting their first child together and will also star in a new E! series, Rob and Chyna.

Watch Rob & Chyna when it debuts on E! later this year.