We're still waiting for official confirmation of the birth from Beyoncé and Jay-Z themselves.
Obama hailed the hip-hop mogul - who campaigned actively with Beyonce for the first African American president - as a kindred spirit at the event in a surprise appearance by video.
This one said: "The twins have arrived! We have been blessed two times over", Beyonce wrote alongside her photo flaunting the baby bump. Their names and genders are also being kept under wraps. If the rumors prove to be true, then little Blue Ivy could have both a baby brother and a baby sister - seriously, how fantastic would that be?
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The Cuban government reacted happily and stated that they are ready to continue the respectful dialogue and cooperation. And, especially, American travelers coming to Cuba have given this economy a much-needed boost.
"There's no words that can express having a baby growing inside of you", she said.
And Jay Z also skipped the Songwriters Hall Of Fame Awards on Thursday night despite being lined up to receive a special honour on the night.
All of this is to be taken with a grain of salt, but I think for now it's safe to say that Beyoncé and Jay-Z now have a family-of-five.
Awks! Soon after the world learned of Bey's pregnancy in February 2017, Mathew admitted that he hadn't been told beforehand, and learned through news reports rather than from the family themselves.