Because she outgrew her B-Shells. Ha...
Because the citizens of Gotham aren't morons, like those idiots over in Metropolis
more satisfaction at night for wearing a ninja suit all day.
Her algae bra.
An algebra
Because she can't fit into D shells
She outgrew her B shells.
A: Because she grew out of her B shells.
Cause the B-shells were too small.