If you’ve been pregnant at any point during the past decade, you’ve probably heard of the concept of a gender-reveal party. The trend has been traced back to one mom who, in 2008, held what is widely considered to be the first gender reveal party. Jenna Karvunidis cut into a cake to reveal pink frosting (it’s a girl, folks!), and her ensuing blog post—and the idea itself—went viral. And now it’s t