Of course Tina Knowles didn't forget her son-in-law's special day!
"Happy Birthday to my handsome, brilliant, loving son. The son I never had, but I have now. I love you Mama," Beyoncé's mom wrote to Jay Z on Instagram for his 46th birthday Friday.
The businesswoman, designer and grandmother to Blue Ivy shared a pic of her alongside Bey and Jay on the red carpet, the family all smiles as they hugged each other and posed for the camera.