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Brian Littrell, Baylee Littrell

James Devaney/GC Images

This celebrity son is definitely larger than life. 

Backstreet Boy Brian Littrell's only child is definitely walking in his father's musical footsteps. At just 13 years old, Baylee Littrell is set to make his Broadway debut as a featured actor in Disaster!, also starring Rent icon Adam Pascal. The show is scheduled for its official Big Apple opening on March 8. 

"When I think about it, I accomplished something that not a lot of people get to achieve in their life," Baylee told the Associated Press (via The Jackson Sun). "I'm still a little shocked. It still hasn't come out of my mind yet."

Chalk it up to talented DNA. Baylee's only other stage experience has been a production of Dear Edwina, which he performed for a much smaller crowd at 7 years old. Still, for the youngster, any audience is better than no audience  at all. 

When he was just a toddler, his dad's iconic band brought him up on stage during their encore. Unlike other tots who might have threw a tantrum, Baylee didn't want the show to end.

"He's way better than both of us put together," mom Leighanne Wallace told the newspaper. 

"I am extremely proud of our son's Broadway debut and the young man he is becoming! Not only because of how talented he truly is, but for his work ethic as well," Brian told E! News exclusively. "Baylee has spent the majority of his life on the road which has proven to better prepare him for life both on and off the stage."

Brian Littrell, Baylee Littrell

Alberto E. Rodriguez/Getty Images

However, his parents—Brian met his wife at the video shoot for "As Long as You Love Me"—were not so eager to force their only kid toward the stage if he wasn't interested. 

"We're not those parents to push him in any direction," Brian said. "We're just supportive and loving in whatever he wants to do. He could be a trashman or a schoolteacher, it doesn't matter. We're here to love him."  

#disastermusical live on the #todayshow @todayshow ..... Look at my boy..... Wow

A photo posted by Brian Littrell (@rokspics) on

They've done exactly that, especially when Baylee was diagnosed in 2008 with atypical Kawasaki Disease, an inflammation of the blood vessels that could have caused sudden death. 

Today, they're in awe of all their son has become. 

"Look at my boy," Brian captioned a photo of Baylee performing with the cast on Today. "Wow."