Chrissy Teigen and John Legend Chrissy Teigen and John Legend

Chrissy Teigen delivered her baby girl Thursday, naming her Luna Simone Stephens. She and husband John Legend (born John Roger Stephens) shared the news on Twitter and Instagram Sunday.

"She's here!," the Lip Sync Battle personality wrote in an Instagram postSunday. "Luna Simone Stephens, we are so in love with you! And sleepy. Very sleepy."

She's here! Luna Simone Stephens, we are so in love with you! And sleepy. Very sleepy. ️🏽

A photo posted by chrissy teigen (@chrissyteigen) on

The couple, known for their comically adorable oversharing on social media, was understandably ecstatic across platforms.

Our new love is here! Luna Simone Stephens, born on Thursday, the 14th. We couldn't be happier!

— John Legend (@johnlegend) April 17, 2016

Legend tweeted out his excitement, and hours after the announcement, Teigen was back to her usual jokey self, saying her husband was doing fine."To everyone asking, John is healing perfectly," she tweeted Sunday.

to everyone asking, john is healing perfectly

— christine teigen (@chrissyteigen) April 17, 2016