Steve Irwin's Daughter Bindi Just Got Engaged on Her Birthday

Bindi Irwin -- daughter of the beloved late wildlife conservationist, Steve Irwin -- just got engaged to her longtime boyfriend, Chandler Powell!

Powell popped the question on Bindi's 21st birthday, six years after they first met at Australia Zoo.

Bindi's mother, Terri, took a moment to celebrate the news on Twitter, writing that Steve would be happy, too.