Height has nothing to do with proportion. Just because Amy is 5'2" does not mean that clothing will fit the OP in the same way.
The Q gives the best measurements on garments that I have ever seen. Hopefully, we all know our body type by now, what lengths we need, and what styles look best on us. You cannot look at someone on tv to determine how it will look on your. Undergarments play a big part in how clothes fit, as well as muscle tone and weight distribution.
The next time that I hear salt and ice together, it better be in a margarita!