Al Roker and his wife Deborah Roberts have delivered an emotional message to fans with a family update which left many in disbelief. The longtime couple rang in their son, Nick's 20th birthday, and they were as amazed at where the time has gone, as their social media followers were. MORE: Robin Roberts receives beautiful tribute for pride from co-star Deborah RobertsTaking to Instagram, Deborah shared throwback photos and images of Nick today alongside a sweet message.WATCH: Al Roker's son receives incredible new which delights his dad "It has been the most exhilarating ride … watching this miracle boy grow, explore, aim, reach, dash and dance into life. "Still remember the handsome face and the sweet little soul who graced us 20 years ago. (Could it be 20 Years?!! )"MORE: Deborah Roberts stuns in summer shorts and heels – fans reactMORE: Al Roker's son Nick's challenging road to latest milestone achievementShe continued: "How did we find such a blessing? Don’t know but just happy we did.