Pete Wentz has baby boy

Fall Out Boy bassist Pete Wentz and wife Ashlee Simpson have announced the arrival of their first child.

Simpson gave birth to a baby boy - Bronx Mowgli Wentz - on Thursday, weighing in at 7 lbs 11 oz, and was 20 1/2 inches long.

“Ashlee, Pete and baby Bronx are all healthy and happy, and thank everyone for their well wishes!” a spokesperson for the couple said.

Pete has also passed on his thoughts, saying: "Thanks everyone for their well wishes."