Shawn Mendes publicly confirms relationship with Bruna Marquezine in Instagram birthday post

Shawn Mendes, 27, publicly confirmed his relationship with Brazilian model and actress Bruna Marquezine on 4 August 2026, posting an Instagram birthday tribute as she turned 31. The caption — "Feliz aniversário my baby" — is the first public confirmation from either party. Billboard reported the pair began dating in December 2025.