Justin — who recently wrapped up a turn as a prince in the jukebox musical “Once Upon a One More Time,” which is based on songs popularized by Britney Spears — credits his parents, Eldrin ...

Full view NEW YORK, NEW YORK - JUNE 22: (L-R) Justin Guarini and Briga Heelan attend the "Once Upon A One More Time" Broadway Opening Night at Marquis Theatre on June 22, 2023 in New York City.

American Idol alum turned Broadway veteran Justin Guarini invites HELLO! Into his dressing for opening night of Britney Spears musical ‘Once Upon a One More Time’ and talks about Britney ...

Meet my mini-me boys! American Idol runner-up Justin Guarini enjoys rare outing with sons at opening night of Britney Spears-approved Broadway show Once Upon A One More Time By SAMEER SURI FOR ...

Justin Guarini, left, and Briga Heelan, stars of the musical “Once Upon a One More Time,” pose for a photo at the Marquis Theatre in New York on June 7, 2023.

Performing in a fairy tale musical with songs by the Princess of Pop can be both magical and daunting. That’s the way Justin Guarini and Briga Heelan, who star in “Once Upon a One More Time ...

Justin Guarini, left, and Briga Heelan, stars of the musical “Once Upon a One More Time,” pose for a photo at the Marquis Theatre in New York on June 7, 2023. (AP Photo/John Carucci) ...

Justin Guarini, left, and Briga Heelan, stars of the musical “Once Upon a One More Time,” pose for a photo at the Marquis Theatre in New York on June 7, 2023. (AP Photo/John Carucci) Entertainment ...