Today marks the what would have been Marilyn Monroe's 90th birthday, and, with more than a half century gone by since her passing, the Hollywood icon's fashion still continues to inspire us. If you take a close look at these 15 photos, you'll notice that she had a signature style formula: high-waisted bikinis emphasized her famous curves, pencil skirts with sweaters gave just the right amount of coverage—not to mention some subtle sex appeal—and, speaking of sex appeal, she knew the power of…
