Pete Wentz & Meagan Camper Welcome Baby Girl, Marvel Jane Wentz

Pete Wentz and Meagan Camper attend the Children Matter.NGO first annual gala on November 7, 2015 in Beverly Hills, California. (Photo by Tommaso Boddi/Getty Images for The Children Matter.NGO)

Fall Out Boy’s Pete Wentz and his partner Meagan Camper got a pretty special Mother’s Day present!

The duo announced that they welcomed their daughter, Marvel Jane Wentz, over Mother’s Day weekend, officially making them a family of five!

Pete took to Instagram to share the happy news on Sunday alongside a pic with his adorable family laying in the hospital bed together. He captioned the photo, “So excited to introduce Marvel Jane Wentz. Feeling so grateful that she’s here… annnnd she’s already ready to takeover the world ❤️? happy Mother’s Day @meagancamper and all the moms out there. We ❤️ you.”

https://www.instagram.com/p/BivO-cIAZQ7/?hl=en&taken-by=petewentz

Marvel is Pete’s third child and his first daughter.

He and Meagan share son, Saint, and Pete has a son, Bronx Mowgli, from his previous marriage to Ashlee Simpson.