Nicole Kidman stole the show at the Practical Magic 2 premiere. Kidman, 59, looked ethereal in a custom Chanel dress while posing on the red carpet at the Practical Magic 2 premiere in London on Wednesday, August 26. The gown featured a strapless sweetheart neckline with a built-in corset that snatched her waist. The mint look was complete with all-over sequins that shimmered with every step she took, a thigh-high slit and gold and pearl chains …