Beyoncé and husband Jay Z welcomed a set of twins to their family. The singer gave birth earlier his week, according to multiple sources close to the couple, TMZ reports; the twins’ gender has not been confirmed.  The twins have not left the hospital, but doctors have not said why. Bey is healthy, reports said. It’s unclear when everyone will be released.

Beyoncé’s father, Mathew Knowles, tweeted, “They’re here! #beyonce #twins #jayz #happybirthday” with a photo of balloons that said, “Happy Birthday to the twins! Love, Granddad.”

Queen Bey announced her pregnancy in February on Instagram, which grew to be the most-liked photo in social media history.

“We would like to share our love and happiness. We have been blessed two times over. We are incredibly grateful that our family will be growing by two, and we thank you for your well wishes. The Carters, ” she posted.

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