Charles Melton is making us swoon with his latest Instagram caption!

The 28-year-old Riverdale actor shared a silly photo of girlfriend Camila Mendes and wrote out a sweet birthday message.

“you are the most beautiful human being i know. happy birthday baby,” he simply wrote.

Camila‘s co-stars and pals Madelaine Petsch and Ashleigh Murray also shared birthday wishes to her.

“happy birthday to my fave lil lizard 🦎 @camimendes. I’m so happy I’m on this earth at the same time as you. Thank you for being such a phenomenal friend, sister, and overall human ❤️ Love you love you,” Madelaine wrote.

“Hbd to my favorite nugget, my cherub, my camimi,” Ashleigh captioned her post.

Happy Birthday Camila!!