It's... Drum roll please... Boys!

In a nod to his father Travis Barker's profession - you may know him as the drummer for Blink 182 - Barker himself played a drum roll to signal the gender announcement. He and his wife, Courtney Kardashian Barker, revealed the sex of their baby in a video released yesterday on Instagram.

Kardashian-Barker's bump was in full view in black leggings and a white long-sleeved bodysuit, People reported. She was sitting on Barker's lap and banging on a drum kit on the stage outside.

"Ready for some pyro? Barker asked his wife. 'And Barker asked his wife. Then a voice that sounded like Khloe Kardashian shouted, "Let's get this party started! We are all so excited!"

Barker started a drum roll and kissed his wife before hitting the drum symbol.

As the happy couple embraced and kissed to cheers from the audience, "I knew it!" !" someone shouted from the audience.

This baby is a tiebreaker baby of sorts. Barker has three children with the former Shanna Moakler: daughters Atiana and Alabama, and son Landon. Their seventh child is a boy, with a male-to-female ratio of 4:3. 13]

After announcing her pregnancy earlier this month, a source told People that Kardashian Barker, who held a sign reading "Travis, I'm pregnant" at the Blink 182 show,

is "beyond excited."

"She was in tears of joy when she told her family," the source said. 'Everyone has known for a while. Everyone is so happy for her. Courtney can't wait to be a mom again. Her older children are excited about the baby, too."