A Timeline of Vanessa and Nick Lachey's Relationship

Vanessa shared the news of her third pregnancy on Instagram in September 2016, using the hashtag "LacheyPartyOf5" in the caption.

The Lachey family finally became a party of five with the birth of Phoenix Robert on Christmas Eve 2016. Vanessa shared the news via Instagram with a picture of her baby's little hand on hers, along with the caption, "It's a very Merry Christmas indeed! We had our Christmas Miracle. Phoenix Robert Lachey decided to show up early and was born on Christmas Eve."