Chicago, Illinois - Supermodel Karlie Kloss (28) has welcomed her first child with her husband Joshua Kushner.

"Welcome to the world," Kushner wrote on Instagram, alongside a photo partially showing their newborn.

The baby is wearing a blue cap and wrapped up in scarves. The couple have yet to reveal further details about their little one.

Karlie Kloss and Joshua Kushner have been married since 2018, when the famous model tied the knot with the 35-year-old businessman in a small, Jewish ceremony in New York State.

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Joshua Kushner's older brother is Jared, husband to former president Donald Trump's eldest daughter, Ivanka Trump.

Kloss first announced her pregnancy in October. A month later, she showed off her bare bump when she posted a heart-melting video of herself saying good morning to her first child.