The Crocodile Hunter's 13-year-old showed off her grown up look as she posed with her mom, Terri and brother Robert at the Australia Zoo, and RadarOnline.com has a photo of her startling transformation.
The teenager - who still bares a striking resemblance to her late dad - was attending a charity event with her family when she posed for photos.
Terri has previously spoken about how hard it is to see Bindi grow up so fast.
"The little girl-to-young lady thing happens so quickly," she said. "We hit these milestones and I think, 'Gee I wish Steve was here for it' and then I think he kind of is.
"We are being watched over. That's special too."
The eccentric environmentalist died in 2006 when his heart was pierced by the serrated poisonous spine of a stingray as he swam with the creature while filming his TV show.