(KCBS) – On Tuesday afternoon, Chrissy Teigen and John Legend had their first daughter, Luna Simone Stephens to adorably announce she will become a big sister.

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The celebrity couple took to social media, asking little Luna “What’s in there?” as they pointed at Teigen’s tummy. Luna responded in the most cutest way possible, “Baby!”

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it's john's!

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Teigen and Legend began dating in 2007. Four years later, the two were engaged and were married in Como, Italy on September 2013. In April 2016, the 31-year-old host of Spike TV’s Lip Sync Battle gave birth to Luna through in vitro fertilization.

Legend is set to host GRAMMYS® Greatest Stories: A 60th Anniversary Special on Friday, November 24th on CBS, seen locally at KPIX 5. While Teigen returns to Lip Sync Battle on their 4th season, premiering in January 2018.

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