By Chiara Fiorillo Cher debuted a whole new look as she attended an exclusive cocktail party in Paris with her 38-year-old boyfriend Alexander Edwards. The two artists were seen together during Paris Fashion Week on Friday night and looked loved-up as they strolled hand-in-hand. Cher, who is known for her love of wigs, wore an all-black outfit encrusted with jewels while sporting bleach-blonde hair. She styled her hair in a wavy updo and wore natural make-up for the evening. As they posed for photos at the Byredo Cocktail Party, the 77-year-old “Believe” icon, who ditched her natural dark brun…