Blac Chyna Spotted Without Engagement Ring While on Date With Mystery Man -- See the Pics!

This video is unavailable because we were unable to load a message from our sponsors.

If you are using ad-blocking software, please disable it and reload the page.

More trouble in paradise for Blac Chyna and Rob Kardashian?

The 28-year-old model was spotted out and about in West Hollywood, California, on Friday -- without her engagement ring.

WATCH: Blac Chyna Shares NSFW Topless Photos – See the Racy Pics!

Chyna sported a colorful tracksuit during her outing, ditching her ring, but accessorizing with a black beanie, pink furry slides -- and a lunch date!

RELATED: Blac Chyna Rocks Matching PJs with Dream and King: 'My Fabulous Life'

The mother of two tried to avoid the paparazzi's gaze while dining at a Japanese restaurant with a mystery man, but it seems her date couldn't get the photographers off his mind.

WATCH: Blac Chyna Gives Off Miranda Priestly Vibes With Short, Platinum Hair -- See the Fierce Pic!

While Chyna stepped out with a new man, Kardashian recently celebrated the pair's one-year anniversary with a tribute video on Instagram.

The two kiss and goof off together in the sweet montage, which Kardashian captioned, "1 year down lol woohoooooo happy anniversary babbbbbbiiiiiieeeeee."

See more in the video below.