First glimpse of Chrissy Teigen, John Legend's baby girl

LOS ANGELES -- Baby alert! Model and author Chrissy Teigen has shared the very first snapshot of her new bundle of joy.

Luna Simone Stephens made her big debut on social media. Teigen shared the picture on her Instagram account.

The caption reads, "hi my lulu!" The adorable photo received more than 700,000 likes in under 24 hours.

Teigen and her husband, singer John Legend, welcomed their first child on Thursday.