Eagle-eyed fans have noticed a hidden detail in a post that Bindi Irwin shared on Instagram as she revealed an unconventional family tradition. The Wildlife Warrior shared a snap of her smiling in a selfie with her mum Terri, wishing her a happy 'unbirthday'.
"In our family, we celebrate half-birthdays and call them ‘unbirthdays’. It’s such a lovely reminder that every day is a gift," she wrote.
"Happy Unbirthday to my beautiful mama. Mum, You light up the world with your kind heart. I love you, forever."
Fans, however, noticed Bindi also paid a subtle tribute to her late father, Steve as she donned a necklace with a picture of him on the pendant.
"I’m bawling seeing that," one wrote on the post.
"I noticed the necklace also! How wonderful to have that reminder of your dad and his life! Also you can give it to Grace later and she will have the picture reminder of your dad and you also because you always wore it!" another commented.
"What a beautiful necklace," a third wrote.
The family's strange half-birthday celebration to appreciate each day comes after Steve tragically died in 2006 when he was fatally struck by a stingray barb while filming a documentary in the Great Barrier Reef.
Fans flocked to the comments of Bindi's post to wish Terri a happy 'unbirthday', with many also revealing they celebrate the same occasion in their own families.
"My sister and I do the same – on our birthdays we celebrate the half birthday as we are 6 years and 6 months apart exactly," one shared.
"My friends think I’m crazy for celebrating half birthdays ... glad I’m not the only one who does this," another commented.
"I thought my family was the only one who celebrated half-birthdays!! We started that tradition when I got diagnosed with brain cancer as a four-year-old!! Made it through and almost 23 years later we still celebrate life any chance we can get," a third added.
"Every day is a gift and blessing. Your love for family and God's amazing creatures shows in everything you do. May you be blessed and continue doing what you love," a fan wrote.
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