Shawn Mendes has publicly confirmed his relationship with his girlfriend, Brazilian actress Bruna Marquezine. The Grammy-nominated artist took to Instagram on August 4 to wish Marquezine a happy 31st birthday with a heartfelt post. He started his message with, "Feliz aniversário [happy birthday] my baby."
"You are a light and a mãe [mom] in every room you walk into. Not to be tooooo sappy but you've truly changed my life, and I am so so grateful for you," wrote the 27-year-old performer. He also shared a romantic message written in Portuguese: "Eu te amo muito muito muitoo," which means "I love you so, so, so much."
The couple's relationship first became public knowledge in December 2025. Over the past eight months, they've been spotted together across multiple locations, including the United States and Brazil.
Indeed, whenever a new celebrity pairing makes headlines, we want the details. How did it happen? How serious is it? Most of the time, we can totally see a couple coming from a mile away. From interviews to working together, or even Instagram comments, the signs are all there. But every once in a while, there’s a couple that sounds like they were randomly plucked out of a hat, leaving us more curious than ever.
Click through to see the most surprising A-list couples to emerge in recent years.