Nicky Hilton Welcomes Baby Boy With Husband James Rothschild.

Nicky Hilton and her husband, James Rothschild, shared the news via an Instagram post.

Where she writes “We are officially a party of five! Welcome to the world, sweet boy.

Within minutes, hundreds of friends and fans congratulate them.

The couple have not yet released their baby boy’s name or date of birth.

The newborn is the couple's third child after Lily-Grace Victoria and Theodora Marilyn.

The couple announced that they were expecting baby number three in January.

A few months later, Nicky’s parents revealed the baby's gender at a party.

Her parents said, “It's our first  grandson so we’re very excited.”

Tom Hiddleston expecting his first child with fiancée Zawe Ashton