Because Vanity Fair says she’s one of the most stylish women in the US. Melania not included in the top 100.
Melania Trump is undeniably well dressed, but isn’t a slave to trends.
Michelle Obama appears to be slavishly devoted to the latest styles, even though most of them don’t look good on her.
The fashion industry may favor Obama’s approach to dressing because those devoted to trendiness need to buy more clothes.