Credit: Dimitrios Kambouris/Getty Images

Kourtney Kardashian and her boyfriend, Scott Disick, are busy parents to 3-year-old Mason and 1-year-old Penelope, but could they be adding to their reality TV family?

Scott took to Instagram last month, starting up pregnancy rumors after posting a photo of Kourtney's bare belly with the caption, "Looks like an angel." While he may have just been showing off his lady's sexy stomach, we couldn't help but notice that Kourtney was covering up on the beach recently — yet another indication that she might have a bun in the oven.

The Keeping Up With the Kardashians star and her baby daddy were seen lounging on Miami Beach on September 27. Kourtney went for a modest look in a white one-piece bathing suit with black shorts, and later put on a black overall dress.

Could this mama of two be expecting another bundle of joy? After all, Kourtney has said how much parenthood has changed her and how there's nothing else she'd rather do, so we could definitely see Mason and Penelope having another sibling.

What do you think, Kardashian experts? Sound off in the comments!

Credit: Pichichi / Splash News Photo: Kourtney Kardashian in Miami, Florida on September 27, 2013