Ricky Martin's twins are growing up so fast.
On Monday, Martin and his twin boys touched down in Sydney, Australia, looking like a picture-perfect family. As a photographer snapped this photo (below), Matteo and Valentino walked beside their 41-year-old father while heading through the airport.
Can't tell the little lads apart? According to RumorFix, Matteo had his glasses on, and Valentino matched dad with a pair of sunglasses.
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The boys, who were born via surrogate in 2008, will celebrate their 5th birthday in August. The Puerto Rican pop star has been raising his sons with his partner, Carlos Gonzalez Abella.
What has fatherhood taught Martin?
"Heavy lessons about simplicity and unconditional love," he told Parade magazine back in 2011. "I don't want to sound cliche, another father talking about unconditional love, but man, that's the way it is. You hear it all the time, but when you feel this other branch of love getting stronger and stronger every day, it's just amazing."
Last March, he told Details that Matteo and Valentino had been accepted into pre-K in Manhattan, N.Y., where he has reportedly been renting a $32,000-a-month, 3,500-square-foot apartment with his family.
Martin is back in Australia with the twins for now so he can coach "The Voice Australia," according to news.com.au. He wasn't expected to bring his children Down Under until April, but he has reportedly been missing them while away on location.