It's been five months since singer and clothing designer Jessica Simpson gave birth to her son, Ace Knute, and on Friday, Nov. 22, her NFL star fiancé Eric Johnson revealed their baby boy to the world for the first time, the Daily Mail reports.

Photographed by paparazzi while arriving at the Los Angeles International Airport, the 34-year-old football player kept a tight hold on Ace Knute as he entered the terminal, the baby boy caught with a look of surprise at the flashing cameras he'd never seen before, dressed in a pair of baby jeans, a plaid shirt, blue puffy vest and brown booties.

Ace Knute Johnson was born on June 30, over a year after Simpson and Johnson's daughter Maxwell Drew Johnson was born. Over time, the 33-year-old blonde beauty has been hard at work getting her body back into its pre-baby shape. She has recently become a company spokeswoman for Weight Watchers, having been paid a reported $4 million for her new role.

"When I had Maxwell I gained a lot of weight. More than I thought I would," Simpson told Tumblr's MomFeeds blog. "And when it came time to try to take it off, it felt overwhelming. With a toddler on the run and an infant to look after, I knew I needed a plan that's simple and fits into my life along with the support that's so important to my success. I know Weight Watchers works so I got on the plan again."

Click here to see photos of Jessica Simpson and Eric Johnson's five-month-old son, Ace Knute.