After Kelly cut her hair short she lost her sex appeal. She started looking more like a mom instead of a bimbo. Therefore when it was time for her to be the "dumb blonde sl?t" it really wasn't effective or believable
She was actually pretty hot with her shorter hair, but gorgeous like she used to be? Respectfully, not to me.
She was still attractive in her own right, yet rather average looking compared to her younger days; it was nothing like the days when she would immediately grab your attention and make you go, "wow!" And yes, most of her sex appeal was gone, and it was for another reason besides her hair: she would often wear these unflattering mom clothes! You could argue that she preferred to dress and look more appropriately as she was no longer a teenage tease. But nevertheless, in my eyes her shorter hair didn't flatter her amazing face (especially those eyes) like her long hair - and the many styles she had it in - did.
Yeah, the clothes hurt worse than the hair. Trading the short spandex mini skirts for baggy whatever jeans reduced her sex appeal. A guy only had to talk to her a minute to know that she was closer to the spandex in terms of attitude than "whatever" tops and bottoms that she wore after that. But the reality most likely was not the producers modifying the character but the designers leaving product on the set for the characters to wear. Product placement of clothing has been huge since the late 1960's and anybody who has studied marketing knows this. It is not reality for most people in real life to own several sets of varying clothing over the course of several months unlike television.