A singing class with Justin Timberlake would be pretty hard to pass up!
Sure enough, that's exactly what students of Australia's Newtown High School of the Performing Arts got when the Can't Stop the Feeling singer surprised them while promoting his new movie, Trolls.
WATCH: Justin Timberlake and Jessica Biel Dress Up as Trolls for Halloween With Cute Son Silas
"You guys are really special," the 35-year-old GRAMMY winner told the students after being wowed by their performances. "This was a real treat, to get to hear you guys, and see you guys. So, thank you."
Watch the sweet moment below.
WATCH: Justin Timberlake & Jimmy Fallon Test Their Friendship, Sing 'Ironic' and Throw Pizza Party
Of course, it makes sense that JT would be comfortable as a mentor, given that he's already become one of our favorite celeb dads with his 20-month-old son, Silas!
Watch the video below for all the celeb dads we're thankful for.