Rob Kardashian Shares Sonogram of His Baby Girl

— -- It looks like Rob Kardashian can't wait to be a father.

The "Rob & Chyna" star posted a sonogram of his daughter, whom he's expecting with his fiancée Blac Chyna, on Instagram Friday.

Kardashian, 29, captioned the photo, "Can't wait for You."

Kardashian and Blac Chyna, whose birth name is Angela White, revealed they were expecting a daughter on the premiere episode of "Rob & Chyna" earlier this month. The two announced their engagement in April.