Sexy seniors! More than a decade after the last Sex and the City movie, HBO Max’s reboot, And Just Like That..., picks up with Carrie, Miranda and Charlotte having their famously frank conversations — about menopause and hip surgery. Now, picture it: Sarah Jessica Parker, 56, Cynthia Nixon, 55, and Kristin Davis, 56, and their characters are mostly older than the ladies played by Bea Arthur, Rue McLanahan and Betty White on The Golden Girls! Fans have deduced that at the show’s inception, Dorothy was 54, Rose was 55 and Blanche was 53. So why do the “new” Golden Girls seem so much younger than the original ones? TikTok user Emily Johnson, whose video on the subject recently went viral, believes SATC’s famously chic “hair and styling have so much…