Bindi Irwin -- Let Her Eat Cake

7/24/2008 10:10 AM PDT BY TMZ STAFF
Bizarrely mature tween Bindi Irwin is ten years old today.
Bindi turns 10
Bindi looked ecstatic just before cutting into her dead father's image on her birthday cake. Check out brother Bob's face as he's about to get a slice. Crikey!