Photo: © Instagram/@jillianharris

Jillian Harris is having a baby girl!

The HGTV star already shares a baby boy and dog with partner Justin Pasutto

<p><a href="/tags/0/prince-louis/">Prince Louis</a> of Cambridge came into the world on St. George's Day, his <a href="/tags/0/kate-middleton/">mom Kate</a>'s reported due date, and the little brother to <a href="/tags/0/prince-george">Prince George</a> and <a href="/tags/0/princess-charlotte">Princess Charlotte</a> was cute as a button - despite being the <a href="/tags/0/prince-william/">Duke</a> and Duchess's largest baby to date at 8 lbs 7 oz!</p>
<p>The little one's full name, Louis Arthur Charles, is steeped in significance. Louis pays tribute to his great-grandfather Prince Philip's great-uncle, Earl Mountbatten, who was killed in 1979 by the IRA. The name, which is of French and German origin and means ‘renowned warrior,’ is one of William and Prince George’s middle names.</p> 
<p>Click through to see all of the sweetest photos of Prince William and Kate's third child...</p>
<p>Photo: &copy; Getty Images

Prince Louis of Cambridge's most adorable moments

William and Kate's third child is following in his siblings' too-cute footsteps

As their family continues to grow, doting parents Prince William and Kate continue to give fans glimpses of their loving family life. From official portraits and tours to candid moments caught on camera, the now-family of five (little Prince Louis joined the fold on April 23, 2018), we've rounded up some of the family of five's sweetest family moments...

The cutest photos of Prince William and Duchess Kate with George, Charlotte and Louis

The heir to the throne is a proud and hands-on father of two under two.

Photo: &copy; Instagram/@cocorocha

Coco Rocha welcomes baby number two – find out his unique name!

Ioni is finally a big sister!

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Mother and baby