Fall Out Boy band member Pete Wentz expecting second child with Meagan Camper

Congratulations are in order for Fall Out Boy bassist, Pete Wentz and his model girlfriend, Meagan Camper. The 34-year-old will be adding one more baby to his life, expecting his first child with Camper. Wentz has one son, Bronx Mowgli, 5 with his ex-wife, Ashlee Simpson, who is engaged to Diana Ross' son, Evan Ross.

"We're super excited to announce we're expecting a baby," he wrote with a picture on his Instagram page.

"They've been planning on this for a while. And they're really excited for Bronx to have a new little buddy," a source close to the parents-to-be revealed. "Meagan is a big sister and has a great relationship with Bronx. She's naturally maternal so this is perfect."

The Fall Out Boy band member did mention that his relationship with Camper, 24 may have a permanent future saying the couple talk about marriage "a lot."

"I feel really lucky," he claims. "It's really interesting when you're in a relationship with somebody who's truly my best friend. I talk to her about everything."

Congrats!!