Well, technically she's much more than a reality star...
According to Wikipedia, Brigitte Nielsen is a "Danish-Italian actress, model, singer and reality television personality." But I had no idea who she was until she was Flava Flav's love interest on VH1.
She announced her pregnancy a few days ago on Instagram:
With a follow-up shot posted just hours ago:
Here's hoping it's a smooth pregnancy for her, and the baby is healthy!