They Have Proud Grandparents: Both Tina Lawson and Mathew Knowles took to Instagram and Twitter to share the news of the twins. Though Mathew's post angered some of the Beyhive, he shared a birthday image with the note, "Happy Birthday to the Twins! Love, Granddad." He captioned the post, "They're here! #beyonce #jayz #twins #birthday #happybirthday."

Bey's mom, Tina, also took to Instagram to express her excitement over her grandchildren, writing, "Wow I don't have the keep the secret anymore. I am sooo happy God is so good twin blessings."

They're Already Influential: E! News confirmed Bey and Jay trademarked the twins' names on June 26, which they said will be used for various merchandise, including baby teething rings, baby carriages and strollers.