For some, today feels like a national holiday. It’s the day Beyoncé Giselle Knowles-Carter entered the world.

Fans from the around the world have taken to social media to mark the 34-year-old singer’s birthday.

However, Beyoncé’s sister Solange just posted to Instagram the most heart-felt message of the day.

Solange revealed a rare look at her sister when she was pregnant with Blue Ivy, accompanied by the caption: “Took this when you were pregnant with my neicy poo. You were, and always will be radiant. I love you beyond words. Happy birthday to my beautiful and forever thu thu @beyonce.”

She later added a photo of Beyoncé and her “turnt up.”