Perhaps the most disturbing part of the scene is that the two children are discussing the fact that they're growing up and changing, drawing far more attention to the nudity and erasing any childlike innocence that might have been there.
In the Conan film, she did wear some outfits that could be considered a bit too revealing for such a young girl but it was her role in Bolero with Bo Derek that raised more than a few eyebrows.
She debuted as a teenager in 1984, and has remained active over the following decades.