Britain's Prince Harry reacts as he shakes hands with members of the public displaying a sign reading 'Red Heads Rule' after visiting the Australian War Memorial in Canberra April 6, 2015.
IN PHOTO: Britain's Prince Harry reacts as he shakes hands with members of the public displaying a sign reading 'Red Heads Rule' after visiting the Australian War Memorial in Canberra April 6, 2015. Reuters/Lukas Coch/Pool

Prince Harry had a priceless reaction after reading an Australian boy’s welcome sign during his Canberra visit on Monday. 12-year-old Ethan Toscan created a placard that was sure to catch the attention of the redhead prince.

“Red Heads Rule!” read Ethan’s sign, which he spent three hours making to greet the prince at the Australian War Memorial. It was worth it, though, as the bachelor prince seemed to agree with his declaration.

Harry almost didn’t see the bold sign when he walked past Ethan, but the young Canberran’s loud cheers drew him to the red placard. Upon reading the sign, the 30-year-old royal pulled a funny face, pretending to be shocked at the message.

“He said that I was fabulous in making the sign and it’s awesome to be a redhead,” Ethan, who is also a redhead like Harry, told AAP. “I’m over the moon — it’s just wow! I got to shake his hand!” He also got a high-five from the prince.

Although Harry agreed with the authority of redheads, he was unimpressed with posing for a selfie. When a teen fan wanted to take a selfie with him, he joked with her first, telling her, “Seriously, you need to get out of it. I know you’re young, but selfies are bad.”

His hatred of selfies didn’t appear to be real, however. He was seen posing for snaps with his admirers, who patiently waited for a glimpse of him behind the fence. He also shook hands and shared a joke with some of them. He even let an elderly woman kiss him on the cheek.

The charming prince is in the country to join the Australian Defence Force as his month-long secondment before retiring from the British defence force. Harry, known as Captain Wales, will fall under the command of the Australian Army while reporting for duty in the units in Darwin, Perth and Sydney.

After greeting his new commander, Air Chief Marshal Mark Binskin, with a salute, Captain Wales handed him a letter from his grandmother, Queen Elizabeth II.

“I am delighted that the long and enduring association between the Australian and British armies will be joined by the military secondment of my grandson, Prince Harry,” the Queen wrote. “I know that Captain Wales will benefit greatly from spending time with the Australian diggers and I thank you for welcoming him into your ranks. Elizabeth R.”