Photos by Prince Williams/FilmMagic,  Jason LaVeris/FilmMagic and Mike Coppola/WireImage

We don’t know what’s in the water (Eva Marcille just announced her pregnancy earlier today), but whatever it is these celebrities are drinking — it’s potent!

First up, Mike Vick and his wife Kiajfa. The two gave birth to an adorable baby boy over the weekend.

This makes baby number four for the Vicks.

And remember Olympian Dominique Dawes? The 41-year-old wife and mother of two announced on Instagram that she’s expecting twins in January.

And then there’s John Legend and Chrissy Tiegen. The model and mom of one also used social media to announce the news of their family expanding. Watch the incredibly cute video below.

Congratulations to the happy couples!

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