So, people are talking about gender reveal parties.

Have you heard of these? They are almost exactly what they sound like: parties where the sex — not gender, despite the name — of a forthcoming baby is revealed, often to the expecting mother or couple at the same time it is made known to guests. This can be orchestrated in a number of sneaky and elaborate ways: by party planners armed with creative themes and inventive decor, by doctors and lab technicians complicit enough to seal ultrasound results, and by discrete bakers who whip up dual performance pastries whose gender-neutral shells mask tell-all interiors in shades of pink or blue.

TIME thinks they’re the “hottest new thing”, natch, ...