Victoria’s Secret is out! Cher has been tapped for the grand return of its once wildly popular runway show. The 78-year-old pop music diva was announced on Tuesday as the headliner for the lingerie brand’s signature fashion show, set for Oct. 15 in Brooklyn. “It’s a woman’s world, so it’s understood that you can’t have a fashion show without the mother of fashion herself — Cher!” Victoria’s...