Why was Kareena not more experimental?

Bebo is always recognized as a diva and megastar, but if we put her under the scanner she has hardly attempted to do more versatile character, On the top of my head, I think, Chameli, 3 idiots, Talash, Aitraaz were tasteful choices she made. But wait isn’t she always framed to work with A list stars and doesn't give much importance to the scripts of the movie! Lolol Although there is no denying that she has definitely made her mark and no one will ever take that place! The question here is that the performers who idolize her should also see the other side of the coin and not just the glam side.