Sydney Sweeney's fashion is once again riling up fans! On Wednesday night, the 28-year-old stunned at Variety's Power of Women event, where she was honored and gave a speech all about understanding what it's like to be "underestimated," "to have people define you before you've had a chance to define yourself," and "what it feels like to have to prove that you deserve to be here, to be seen, to be taken seriously.