Ellie Goulding has such an iconic beauty look that anytime she changes the tiniest detail fans immediately notice.Take her brunette hair transformation last year, for example. A long-time blonde, Ellie's darker hair caused a frenzy on her social media – and it still does every time she posts a new snap. Now, Ellie is back with a new beauty makeover that's prompting plenty of discussion in the comment section of an Instagram post.