Pete Wentz helped deliver his son!

Los Angeles - Pete Wentz helped deliver his new baby.

The 35-year-old rocker insists he wasn't ready when girlfriend Meagan Camper went into labour last month but got very involved in helping bring Saint Lazslo into the world.

He said: "It was crazy. The doctor was like, 'You're going to help, you're going to deliver this baby.' And I was like, 'Oh my god, I'm not ready.' I put on the scrubs and gloves and stuff and did the delivery."

"After the head came out, I was there, you know, and all I could think was, 'Please do not drop this baby.' Newborn babies are super slippery."

However, Pete - who also has five-year-old son Bronx with ex-wife Ashlee Simpson - surprised himself with how well he coped in the delivery room.

He added in a recent interview with DJ Ryan Seacrest: "I was sure that I wasn't gonna be able to handle it. And everyone says when it's your kid, you can, and it's different. And really, that is true. Because when I was down there, it was like this amazing, beautiful thing."

Pete also explained how they chose Saint's name because the baby didn't arrive until after his tour was over. He said: "I was really sure we were going to have to cancel a show, or that he was going to show up, and he didn't."

Listen to the full interview here:



Pete took to his Instagram account explaining the celebutots name choice, saying: "I think at some point the name Saint came up because we thought he'd be a saint if he waited to arrive until his dad was home from tour, and he did. The name suits him. Meagan is a natural mom and it's amazing to watch her with him. The addition to our family is very exciting and Bronx is already planning everyone's Halloween costume."