It is BeyoncéBirthday of the twins, but the proud mom is the one who feels happy today.

The 39-year-old music superstar posted a heartfelt message on her personal website on Sunday June 13th Rumi and Mr4th birthday. Beyoncé and husband Jay-Zwho also share a 9 year old daughter Blue ivyHe welcomed the twins on June 13, 2017.

“What’s better than 1 gift … 2,” the star wrote over a black background. “Happy Birthday Rumi & Sir.”

It’s no big surprise that Bey and Jay haven’t posted any pictures of Rumi and Sir on their special day, as the parents are more private when it comes to sharing glimpses of the little ones.

On March 31, the “Formation” singer offered her twins a rare look during a day in Malibu, California, with her three children enjoying a meal at the popular Nobu Japanese restaurant and playing in the ocean. However, the faces of Rumi and Sir could not be seen in the pictures.