Mighty crocodile hunter, Steve Irwin, was killed 10 years ago today when he was pierced in the chest by a stingray barb. While the world mourned the happy-go-lucky explorer鈥檚 passing, his death was most impactful on his family, particularly for children Bindi and Robert Clarence Irwin.

ULURU, AUSTRALIA - OCTOBER 2: Steve Irwin poses with his daughter Bindi Irwin October 2, 2006 in Uluru, Australia. (Photo by Australia Zoo via Getty Images)

BIndi has grown by leaps and bounds since Steve鈥檚 passing, going on to win season 21 of Dancing With the Stars and recently graduating from college.

You'll be my hero for my entire existence. I love you more than words can describe.

A post shared by Bindi Irwin (@bindisueirwin) on

Today, however, she took time out to remember the dad she lost at age eight.

Posting a photo that may predate even her earliest memory, Bindi wrote, 鈥淵ou鈥檒l be my hero for my entire existence. I love you more than words can describe.鈥

We鈥檙e not gonna鈥 lie 鈥 we鈥檙e getting a little choked up over here: a sentiment that鈥檚 even further compounded by the knowledge that today is actually Australia鈥檚 Father鈥檚 Day.

Bindi鈥檚 mother and Steve鈥檚 wife, Terri Irwin, urged all Australians to treasure their dads, posting the following message to Twitter.

She also retweeted a Ruth Gordon quote posted by her daughter, which has hopefully given them both some comfort today.

Our warmest thoughts to the entire Irwin family.

Did Bindi鈥檚 words bring you to tears? Tell us over @BritandCo!

(Photos via Mark Metcalfe + Australia Zoo/Getty)