Naturally, he's killing it on Instagram, where he has nearly 400,000 followers.
The prince graduated from the Royal Military Academy Sandhurst in 2011 as a Second Lieutenant.
He was also awarded a Master's Degree in Arts from the University of London's School of Oriental and African Studies last year.
Prince Mateen is the fourth son of Brunei's ruler, Sultan Hassanal Bolkiah, who has an estimated fortune of $20 billion.
He also appears to be fond of animals, though we're not entirely sure how legal it is to own tiger and leopard cubs.
But what does he look for in a partner?
"I would say someone who is genuine and real. Someone who is very simple, that's what I like," he said.