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 Kardashian Berates Kris Jenner For Cheating On Dad Robert Sr.

Kim Kardashian and Odell Beckham Jr. 'Hanging Out

Tyga Reacts to Ex Blac Chyna and Rob Kardashian's Baby News, Kim

Is Kourtney Kardashian Quitting 'The Kardashians'?

Adrienne Bailon Talks Rob Kardashian, Blac Chyna Engagement

Caitlyn Jenner Convinced Robert Kardashian To Divorce Kris

Rob Kardashian's romantic proposal to girlfriend of three months

Rob Kardashian Defends Proposing to Girlfriend in New 'Keeping Up

Rob Tells Kardashians About Blac Chyna's Pregnancy: See Them React!

Kanye West Defends Rob Kardashian & Blac Chyna's Engagement