It continued: “I know you’d be beaming with pride when the time comes that he walks me down the aisle. I wish you could be here for these moments, but I know that your spirit lives on in us ❤️”
The post comes after a report the wildlife warrior and her childhood sweetheart are expecting their first child.
'They’ve been talking about starting a family since she was 19, but her mother Terri begged her to wait until she was 21,' spills a source to OK! In the U.S.
'They’ve upheld their end of the bargain so now they can’t wait to start trying for a baby. Bindi’s already told friends that she would not be fussed if she were a pregnant bride,' they continue.
WATCH: Australia Zoo shares touching video of Steve Irwin for Bindi's 21st birthday
And according to the publication, Terri is delighted with their decision to start a family.
'If Bindi and Chandler have a baby soon then she’ll have a whole generations of Irwins to raise!' adds the source.
WATCH: Bindi shares why she loves Chandler