Is Jyn Erso Doomed to Become Captain Phasma? The Next Big Star Wars Theory

OK, OK, we know Gwendoline Christie plays Captain Phasma in The Force Awakens, but even so, she never removes her helmet once. We don't know what Captain Phasma's face even looks like. It's possible Christie has brown hair. It's possible she's been made to look like an older version of Felicity Jones.