Bill and Giuliana Rancicare no strangers to the spotlight.

News" following his win on “The Apprentice” Season 1.

Three years later, they tied the knot and officially cemented themselves as an “it” couple.

bill and giuliana rancic smiling

That said, it’s no surprise they have a Rolodex of celebrity pals.

“[He’s the] greatest guy ever.

So good with Duke,” Bill shared.

bill rancic and son duke

But, unfortunately, things didn’t pan out the way they expected.

After years of struggling to conceive on their own, the couple welcomed Duke to their family via surrogate.

Leading up to his birth, Giuliana didn’t shy away from publicly discussing infertility.

After having a double mastectomy, she has been cancer-free for more than a decade.

This harrowing experience made Bill and Giuliana appreciate their tight-knit family even more.

The doting mom told the outlet about how the three of them gel so well together.

We have a lot of fun together," she said.

On Duke’s 12th birthday, Bill and Giuliana further expressed their love for their son in a jointInstagrampost.

“Duke, your smile fills our hearts with a love that we didn’t know existed before you.

Every day, every year, every moment is better with you in it.

You’re our main guy forever and ever,” the proud parents wrote in the caption.