In front of concertgoers at Lollapalooza Berlin in Germany, the one-half of the 'Heathens' duo reveals that he and his wife, Jenna, are expecting their first child together.

• Sep 9, 2019

AceShowbiz - Twenty One Pilots star Tyler Joseph is set to be a dad.

The rocker announced his wife Jenna's pregnancy at Lollapalooza Berlin in Germany on Saturday night, September 7, after welcoming her to join him onstage.

"I know I said I'm bringing a couple of people on stage... and that's true," he said as Jenna showed off her baby bump. He then kneeled and kissed her stomach, sending fans into a frenzy.

The couple wed in March 2015.