NEW YORK (CBS SF/AP) — Blue Ivy is about to become a big sister — twice.

Beyonce and her husband, Jay-Z, announced Wednesday on Instagram that the superstar singer is pregnant with twins.

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“We are incredibly grateful that our family will be growing by two,” said a statement signed “The Carters.” The news accompanied a photo of Beyonce showing a baby bump while wearing just a bra, underwear and a veil.

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Their daughter, Blue Ivy, was born in 2012.

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