Melanie Amaro Beverly Hills - Arabstoday For the last night\'s red carpet event at the Grammy Awards, X Factor USA winner Melanie Amaro shined in a dark marigold satin back crepe evening gown with negligee drape and Swarovski crystals by the Lebanese designer Rani Zakhem. The singer showcased with elegance the glamorous outfit by Zakhem, who is well known for his charming and Mediterranean taste.