A teenage boy steps on the American Idol stage and stuns the judges with his voice, but then Carrie Underwood squints, leans in, and says something feels oddly familiar, Moments later, jaws drop as his famous father is revealed

One of the most talked-about auditions of the American Idol season came from 23-year-old Baylee Littrell—a name that carried instant intrigue. His father? None other than Brian Littrell of the Backstreet Boys, who had teased his son’s audition back in early February with a cryptic social media post: “I recently auditioned for @americanidol. Backstreet Boys apparel. Brian Littrell merchandise 🙏🏼. See what happens 3/9/25!”

The announcement sparked a mix of buzz and skepticism. Some questioned whether Baylee, who had grown up performing alongside his famous father, truly needed the Idol platform. After all, he started performing at just nine years old as an opening act for the Backstreet Boys, later starred on Broadway in Disaster, and toured with artists like Chris Lane. In 2019, he even released his debut country album, 770-Country, and served as an opener on the Backstreet Boys’ DNA World Tour.

Still, others were excited—especially new judge Carrie Underwood. As Baylee walked into the audition room, Carrie tilted her head and said, “There’s something about you that looks familiar,” just before Baylee revealed who his father was. Backstage, Brian Littrell admitted, “I’ve always said Baylee is ten times more talented than I ever was. This isn’t easy for him.”

Baylee chose to perform an original song, and the moment he started singing, the room shifted. The judges were floored. Carrie told him, “You’re really good. Emotionally, you arrived. I think you’re capable of doing well in this competition.” Then came the surprise twist—Brian Littrell entered the room to join his son for an impromptu duet. Carrie fangirled instantly, but quickly noted, “I think it would make you look bad if your superstar dad joined you—but it doesn’t.”

In a unanimous decision, the judges sent Baylee to Hollywood, praising his talent, originality, and emotional depth. But Baylee’s journey isn’t just about music or his famous father.

At just six years old, Baylee was diagnosed with Kawasaki Syndrome, a rare pediatric illness that causes inflammation in blood vessels and can affect the heart if not treated. Brian revealed in a 2009 interview that his son’s coronary artery was found to be three times its normal size. After a terrifying stretch of high fevers, a full-body rash, and painful throat sores, Baylee was finally diagnosed and treated just in time, making a full recovery.

From battling a life-threatening illness to sharing the stage with one of the most iconic boy bands of all time, Baylee Littrell is stepping into his own spotlight—and now, the world gets to watch his next chapter unfold on American Idol.

Watch his powerful audition in the video below.