Super rock couple Ashlee Simpson and Pete Wentz welcomed their first child on Thursday night, a boy named Bronx Mowgli Wentz. He weighed in at 7 lbs, 11 oz..

"Ashlee, Pete and baby Bronx are all healthy and happy, and thank everyone for their well wishes!" a rep for the couple told Us Weekly.

As for that unique moniker, Pete recently told Ryan Seacrest that a friend joking said, ""You've gotta have a baby with a name that could be a rock star or a senator, so he'll get work either way."

Pete Wentz is the happy husband of Ashlee Simpson and a father-to-be, but the Internet is abuzz about an interview the Fall Out Boy bassist did with Out magazine where he admitted to kissing guys on several occasions, the first of which was on a dare.

Pete was in his prime teen years when he was faced with the challenge, but he also continued experimenting through age 19. However, the 29-year-old says it's been a while since he last locked lips with a man. When? "A long time ago," he said. "Probably when I was 22?"

This week, new mommies Jennifer Lopez and Christina Aguilera hit the town, while Ashlee Simpson showed off her new engagement bling. Zac Efron cruised through JFK airport, and Gwen Stefani took cutie pie Kingston to the beach for family day. See what else went down in the lives of your fave celebs in this week's PopScene.