The Bravo star opens up to PEOPLE about popping the question in Santorini, Greece, during a getaway in late August Rodrigo Reyes/Instagram celebrated his 40th birthday last month on a luxurious trip with friends to Greece. But though the getaway was all about his milestone, there was another the star wound up celebrating: his engagement. The interior designer popped the question to his longtime boyfriend, Tyler Dugas, as the sun set in Santorini.

"It was beautiful," Reyes tells PEOPLE of the location. "We're friendly with the owners of this spot known for being the No. 1 cocktail bar in Europe, so they gave us our own private area were we could watch the sunset.

And while we were there, my friend passed me the ring she had been carrying for me in her purse." For the ring, Reyes kept it classic. "I went to this jewelry store on King Street," he says.

"And I just wanted something simple and timeless. I'm a traditional, gay southern. You can't go wrong with a solid gold band, so that's what I picked.

" Dugas, 36, didn't see it coming whatsoever, Reyes says. "Oh, Tyler was completely oblivious," he jokes. "It's funny because, the weekend before, we went out to brunch with and she kind of brought it up the idea of us getting married.

And I was thinking to myself, 'Can you shut up? I don't need him getting any hints!' But even then, he had no idea it was happening." Case in point? Dugas' initial reaction after one of their friends asked Reyes to say a few words about the trip, and h.