What a player!Proud dad Bill Rancic posted this adorable photo of baby Duke on Dec. 2 with the caption, “No. 1 Bears fan!!!”Since their son’s birth on Aug. 29, the 41-year-old and wife Giuliana Rancic haven’t stopped fawning over their adorable first child.“I had always heard that when you have a baby it completes your life — and it’s true,” the first-time mom told Life & Style. “I love my baby, and I love my new role.”And the parents can’t stop showing off his adorable face!The E! News host recently posted a smiley shot of her 3-month-old.PHOTO: Giuliana and Bill Rancic's baby Duke all smiles as first photo shoot airsAnd, of course, there was Duke’s first cover photo shoot – with Life & Style!VIDEO: A behind-the-scenes look at Bill & Giuliana Rancic's baby's Life & Style cover shootBut becoming a mom hasn’t been easy for the 38-year-old. On the Dec. 4 episode of Giuliana & Bill, she struggled with having to leave her baby for work duties.“Maybe I should quit right now! I don’t want to go,” she said, adding, “I knew this day was coming — that it was inevitable, but I have to be honest: I’m not ready." Though it’s an incredibly hard decision, at least she gets to come home to this cutie pie every night!