DoCoMo recently released an advertisement that starred Amuro Namie changing styles (and mobile phones) from 1992, 2000, 2010, and 2017, a period of time that also happens to line up with her 25th anniversary of being in the industry.
https://www.youtube.com/watch?v=tUTYddiCqkE
I found it especially relevant since generally when she switched styles, so did many other young Japanese women. Legend.