Rob Kardashian and Blac Chyna Expecting First Child Together

The couple announced the news on Instagram today.

— -- Rob Kardashian and Blac Chyna have a reason to celebrate -- they're expecting their first child together.

The "Keeping Up With the Kardashians" star and Chyna, whose real name is Angela White, announced the news on Instagram Friday by posting an image of a digital Chyna cradling a baby bump.

A rep for the couple later confirmed the news to ABC News.

Kardashian and Chyna's romance hasn't been an easy one since the two came out as a couple earlier this year. They were engaged months later.

Chyna dated rapper Tyga starting back in 2011. The two have a son, King Cairo, who is 3 years old. The rapper has since dated Kylie Jenner, Kardashian's sister.