Blac Chyna got a lap-dance on stage at Mariah Carey's Las Vegas concert on Saturday (25.06.16).

Blac Chyna

Blac Chyna

The pregnant model - who is engaged to Rob Kardashian - was brought up on stage by the singer during 'Touch My Body' while a male dancer performed a saucy striptease.

Blac took to Instagram to gush about her night at Mariah's '#1 to Infinity' show, writing: "It was truly a honor to grace the stage with Mariah tonight. The show was amazing & she was gorgeous! (sic)"

There was no sign of Rob in Vegas as Blac, 28, enjoyed a getaway with some female pals.

Meanwhile, the star - who also has three-year-old son King Cairo with her former fiancé Tyga - recently admitted she and sock designer Rob have not started planning their wedding yet.

She said: "We haven't started planning it yet. We're doing one thing at a time. We are thinking about having a wedding special, so stay tuned for that!"

The couple - who began dating in January this year, got engaged in April and announced their pregnancy in May - haven't had it easy as their whirlwind romance didn't initially sit too well with Rob's famous sisters Kourtney Kardashian, Kim Kardashian West and Khloe Kardashian and his half-sisters Kendall and Kylie Jenner.

However, it seems the family have now decided to bury the hatchet and are getting ready for the new arrival.

Blac explained: "We're all in a good place. We're excited for the new addition in my family and in their family."