Justin Timberlake stuns students with secret class

Justin Timberlake gave a surprise masterclass to high school students.

The singer-and-actor stunned pupils at Newtown High School of the Performing Arts in Sydney when he turned out to be the "special guest" they were expecting in a tutorial late last month, and he enjoyed watching the students perform for him.

Video footage posted on Justin’s Facebook page showed the students screaming in shock when he entered the room, before he settled down on the floor to listen to the pupils’ songs and give them feedback.

At the end of the session, he advised them to "stay curious" and added: "You guys are really special, this was awesome for me. This was a real treat to get to hear you guys and see you guys, so thank you."

The ‘Trolls’ star delighted Fergus Lipton with his reaction to his acoustic guitar-accompanied song ‘Snow’.

Justin told him: "Wow… that was awesome, like truly awesome. That was beautiful, man and your voice is really special… I’d put that on the radio now."

Fergus later told Australia’s ‘Today’ show: "Justin said he would like to put (my song) on the radio which was a big compliment.

"He was so genuine. Justin got into how much he like the lyrics and vulnerability is really important in music."

The school’s head of music, Christopher Miller, said the 35-year-old star – who has a son, Silas, 20 months, with wife Jessica Biel – quickly built a genuine rapport with the students.

He said: "Justin wanted to give a little back, and work with some music students.

"I was really blown away by his sincerity, he built an instant rapport with the students. Everything he said was genuine and really positive."