Wearing all black can look cool, but it can also look booring. It’s just soemthing you have to practice on. Use diffrent patterns and interesting details; sequins, leather, transparent etc. etc.
Harem pants from Pepe Jeans, Earrings from Swarowski, Skirt from Forever21, One shoulder tunic from Topshop, Heels from Bianco, Jumpsuit from Marc by Marc Jacobs, Belt from House of Harlow, Strapless dress from Marc by Marc Jacobs, Bow Clutch from Marc by Marc Jacobs and Bracelet from Phillippe Audibert.
Marc by Marc Jacobs has so many interesting and beautiful black pieces! If you push the links, it will lead you to each piece on the photo.