Simon Helberg and Wife Jocelyn Towne Welcome Second Child, Baby Boy Wilder Towne Helberg

Simon Helberg and Jocelyn Towne
Big Bang Theory star Simon Helberg and his wife Jocelyn Towne recently welcomed their second child, baby boy Wilder Helberg, his rep confirms exclusively to Us Weekly Michael Loccisano/Getty Images

Big bang baby boy! Simon Helberg and his wife, Jocelyn Towne, have welcomed their second child, his rep confirms to Us Weekly. The Big Bang Theory actor's newborn, Wilder Towne Helberg, arrived on April 23.

PHOTOS: Big Bang Theory stars -- before they were famous

Read article

The pair also confirmed the news during a Reddit Q&A on June 12. We "made 2 babies and 2 films in the last 2 years," they wrote, as readers congratulated them.

PHOTOS: Stars and their dads

Read article

Helberg, 33, first revealed the couple were expecting a second bundle of joy when his actress-writer wife, 37, stepped out with a noticeable baby bump at the Screen Actors Guild Awards in L.A. in January.

PHOTOS: TV dads we love

Read article

"Yes, my wife is [pregnant,] I can't take all the credit," the CBS star joked to Entertainment Tonight on the red carpet.

Helberg and Towne tied the knot in 2012. Their son Wilder now joins big sister Adeline, 2.

For access to all our exclusive celebrity videos and interviews – Subscribe on YouTube!