Rob Kardashian Defends Proposing to Girlfriend in New 'Keeping Up

He was seen sparring with his family in a new preview of "Kardashians."
The model posted a video of Kardashian agreeing to let her train him.

Khloe Says ''No One Should Congratulate'' Rob on His Engagement: Watch

Kris Jenner 'In Shock' Over Rob Kardashian's Engagement to Blac

Rob Kardashian hits out at ex-girlfriend Adrienne Bailon on

Rob Kardashian's New Girlfriend Mehgan James Is a Kardashians

Rob Kardashian Today: Rare Photos of Him Then and Now

Rob Kardashian Today: Rare Photos of Him Then and Now

Khloe & Kourtney Kardashian Trolled For 'Sickening' Talk With Rob

Khloe Kardashian Calls Rob's Proposal To Blac Chyna F**ked Up

Kris Jenner Hints Khloe Kardashian Should Go Back To Tristan Thompson

Rob Kardashian Blames Cheating Ex-Girlfriend for His Insecurities

Scott Disick Bashes Blac Chyna, Says Khloe Is A 'Co-Parent' To Dream

Inside Rob Kardashian's VERY romantic proposal to Blac Chyna with

Rob Kardashian Blac Chyna New KUWTK Season 12