Rob Kardashian and Blac Chyna look happy on Snapchat Credit: Snapchat

Rob Kardashian really is back! The reclusive reality star revealed his full face, smiling like the Cheshire cat as he posed for his latest Snapchat pictures alongside girlfriend Blac Chyna.

The 28-year-old Kardashian brother has posted photographs that only show small areas of his face before now, but these latest pictures reveal a very happy, relaxed and slimmed-down celebrity, evidently enjoying every minute of his time with Chyna.

Kardashian is dressed in black, wearing a Los Angeles Dodgers baseball cap in the photograph, while his model girlfriend Chyna grabs him around the cheeks and pulls him in for a kiss.

Since starting a relationship with his 27-year-old lover, Kardashian has begun stepping out in public again, most recently showing off his new body outside a gym on Thursday, February 18.

Since the two got together last month, Chyna has hired a chef and an online personal trainer to kickstart Kardashian's health regimen. She “has been good for him,” a source previously told Us

Can't get enough of Us? Sign up now for the Us Weekly newsletter packed with the latest celeb news, hot pics and more!