(Reuters) – Pop star Taylor Swift, who has adopted a sexier look on red carpets, was named People magazine’s best-dressed celebrity of the year on Wednesday. Swift led the annual unranked list of the top 10 best-dressed celebrity style icons that also included Oscar-winner Lupita Nyong’o, singers Jennifer Lopez and Rihanna and actresses Emma Stone and Emma Watson. Rising starlets Chloe Grace Moretz and “Mad Men” actress Kiernan Shipka tied for a spot on the list, rounding out the 11 honorees. …