Ashlee Simpson & Pete Wentz Welcome a Son: Bronx Mowgli

24, gave birth to a baby boy on Thursday night, November 20th at Cedars-Sinai Medical Center in Los Angeles. She and her 29 year old husband, Fall Out Boys bassist, have named their son. The baby weighed in at seven pounds and 11 ounces and is 20-1/2 inches long.

Mowgli was the most prominent and memorable fictional character to appear in Rudyard Kipling's The Jungle Book series.

A rep for the couple released the following statement: Ashlee, Pete and baby Bronx are all healthy and happy, and thank everyone for their well wished!"

The Fall Out Boys are set to release their third album, Folie A Deux on December 16.

Photo gallery below.













Photos: WENN