Russell Wilson and Ciara got so fired up over the sex of their fetus ... they busted out their dancing shoes and partied their faces off -- and the video is awesome!!!
The Seahawks superstar and the "Level Up" singer announced their pregnancy just a few months ago ... and this week, they decided to reveal the baby's gender.
The couple -- along with the kids, Future Jr. and Sienna Princess -- went out to a field with palm trees, and had confetti and smoke locked and loaded.
But first .