Originally Posted by Bruce Malone
With rebecca that worked great but Jennifer has a much different shape to her that's not as accommodating to that look. It's still gonna be a bit bizarre for us to continually imagine that Jennifer's character will eventually "age" into Rebecca's as they look nothing alike really.
Honestly, for every character it will be a little bizarre. Charles, Erik, Beast (here it's more a matter of prosthetics). They obviously didn't prioritize the look of the actors when they were casting.