A decade on, this food phenomenon has spawned videos, bakeries — and some resistance, as gender issues grow more complicated.

Cake is asked to do so much, what with all the weddings and birthdays and office parties for colleagues headed off to greener pastures. And that's not even counting more modern pressures, like looking good on social media and starring in Supreme Court cases.

But here's a reveal that will most likely come as good news to cakes everywhere: They may no longer have to announce the sex of an impending baby.

The gender-reveal cake first gained traction around 2009,