Jessica Simpson (left) and Ashlee Wentz
11/21/2008 AT 07:10 PM EST
is ecstatic about her latest role – aunt to newborn Bronx Mowgli Wentz.
"Bronx is beyond precious. I'm over the moon with joy," the singer said Friday. "Life is a beautiful miracle. Ashlee and Pete are healthy, happy, and enjoying every moment."
and husband Pete Wentz
welcomed their first child
on Thursday night.
Jessica isn't the only family member to be thrilled about the birth of Bronx. Both sets of grandparents expressed joy and pride
over the new addition to the family.
"We can't wait to spend Bronx's first holidays together with the whole family," Joe and Tina Simpson said Friday. "We are truly blessed."
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