I've been huge Britney fan from the very beginning, when I was like 8! I watched all of her video's the moment they got aired on TV. That means I was about 10 years old when I'm A Slave 4 U was released, and both the song and MV where a helluva lot sexier than Miley's vid. And I got over it!
So I'm not too worried about the children. I think most of them will find this pretty cool, and she looks absolutely gorgeous in the metal-ish dress so it's not like she's being a sl*t.
I love it, and I'm really glad she's finally getting rid of her childish image