“1000-lb Sister” star’ Tammy Slaton, 37, showed her new “so thin” body in a swimsuit after losing 440 lbs.Victoria & David Beckham’s daughter, 12, donned an “adult” slip dress at mom’s 50th birthday.Catherine Zeta-Jones & Michael Douglas’ daughter rocked her mom’s pink slip dress for her 21st birthday.Antonio Banderas & Melanie Griffith’s daughter, 27, stunned with “insane” red lips in sheer attire.Valerie Bertinelli, 64, showed the first pic with a new man who “looks like” her late ex Eddie Van Halen.Sara Gilbert, 49, gave up her marriage with her star wife and mother of her little son.Prince…