Rob Kardashian Will Be the 'Best Dad,' Kim Kardashian Gushes!

Rob Kardashian and his pregnant fiancee Blac Chyna step out of their hotel to head to the airport on Wednesday (May 18) in Miami, Fla.

The 28-year-old reality star’s older sister Kim Kardashian paid him such a sweet compliment!

“I mean, it’s so exciting. It’s a really exciting time for him,” Kim told ET about the upcoming baby. “I think he’ll be the best dad. He’s really just such a good, good person.”

“We give him — I think more me — gives him advice and it’s just been a really fun time,” Kim continued. “I’m really happy for them.”

25+ pictures inside of Rob Kardashian and Blac Chyna…