Twenty One Pilots' Tyler Joseph & Wife Jenna Welcome First Child Rosie

Tyler Joseph of Twenty One Pilots
Olly Stabler/Shutterstock

Tyler Joseph of Twenty One Pilots performs at Reading Festival on Aug. 24, 2019.

Twenty One Pilots' Tyler Joseph and his wife Jenna are now a family of three!

Jenna took to Instagram on Friday (Feb. 21) to introduce the world to their baby daughter Rosie, affectionately nicknamed Ro.

"meet Ro," she wrote alongside an adorable video of the new baby laying around with her parents. "fresh out of the oven. Rosie Robert Joseph was born February 9th. Robert after Tylers middle name."

She followed it up with a tribute post for her husband, cradling his newborn baby on the bed. "you’re a thinker, you’re a trooper, you’re a fixer, you’re a looker still at 6am with no sleep," she wrote. "you work so hard. you are the most diligent and supportive person, I’m lucky you’re my person. Rosie and I love you."

The Twenty One Pilots frontman made the exciting announcement that his wife was pregnant back in September, on stage during the duo's performance at Lollapalooza Berlin.

See Jenna's posts below.