Blac Chyna posts topless selfie on Snapchat -- see the racy pic!

Blac Chyna is showing off her hard work in the gym!

The 29-year-old model shared a sexy topless selfie on Snapchat on Thursday.

RELATED: Blac Chyna Shows Off Her Impressive Post-Baby Body in a Bikini Top: Pics!

Chyna, wearing nothing but a pair of boyshorts and a towel on her head, carefully places her hands over her chest in the revealing mirror shot.

Snapchat

RELATED: Rob Kardashian Pays Tribute to Blac Chyna on Mother's Day: 'I'm So Thankful for You'

The mother of two, whose relationship with Rob Kardashian has been on and off for the past few months, recently flaunted her figure for a bridal-inspired photo shoot on the beach.