Mirror, mirror on the wall, which “Snow White” stars aren’t friends at all? Rachel Zelger has “nothing in common” with fellow “Snow White” actress Gal Gadot — and tensions are allegedly mounting ahead of the release of their live-action Disney remake. An unnamed insider dished on the duo in an interview with People on Friday, saying the stars live completely different lives. Zegler, 23, is a young up-and-comer, while Gadot, 39, is a mom-of-four who has been married to husband Jaron Varsano since 2008 “On top of that, their political views differ, adding to the tension,” the insider added. Both...