The couple customized this invite from Sweet Potato Paper to feature babies of different skin colors for their gender reveal party.

That’s a feeling that Kiera and Colin passed on to their guests as they welcomed them to their gender reveal party on a football Sunday in Baltimore.

But the latest trend - or "trend-lette," as the Rebecca Michals, global director of Community Baby Center put it, because it's still so new - is the paint flight gender reveal party.

Excited parents-to-be, Kiera Davis and Colin Griffith, are one of a growing number of expectant couples planning gender reveal parties where they learn along with their friends and family whether they’re having a boy or a girl.