Joanna Gaines honors son Crew's first birthday with sweet Instagram post: 'What ...

Time flies when you're having fun.

And Joanna Gaines honored her youngest child's special day with a slideshow of photos posted to Instagram on Saturday honoring Crew's first birthday. 

'One year ago. What a gift you are to all of us sweet boy [HEART EMOJI],' the 41-year-old home renovation expert wrote in the caption.

Eager: The first photo in the slideshow shared Saturday displays Gaines' four older children, Drake, 14, Ella Rose, 12, Duke, 10, and Emmie Kay, nine, leaning in and listening through the hospital door in close anticipation of Crew's birth

Eager: The first photo in the slideshow shared Saturday displays Gaines' four older children, Drake, 14, Ella Rose, 12, Duke, 10, and Emmie Kay, nine, leaning in and listening through the hospital door in close anticipation of Crew's birth

The first photo in the slideshow displays Gaines' four older children, Drake, 14, Ella Rose, 12, Duke, 10, and Emmie Kay, nine, leaning in and listening through the delivery room door in close anticipation of Crew's birth.

She has also shared two previously unseen snaps of herself and husband Chip Gaines on the day Crew was born.

The last snap of the slideshow is a photo of Chip holding a newborn Crew in his car seat and grinning from ear-to-ear. 

Patient: Emmie Kay, nine, conversed with Gaines in the delivery room in this photo shared Saturday

Sweet: Drake, 14, held his baby brother in his arms for one of the Instagram photos Gaines shared on Saturday

Tender: On Saturday, Gaines shared two snaps of her older kids surrounding baby Crew before and after delivery 

Poignant: Gaines included this emotional black and white shot of Crew in the slideshow posted on Saturday

Poignant: Gaines included this emotional black and white shot of Crew in the slideshow posted on Saturday 

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