A printed scarf - Karl Lagerfeld $250You really can't go past a scarf. Personally I'd pick a silk one. You can wear it draped or wrapped around your neck, tied in a bow, use it as a head scarf or even wear it as a belt.
A statement necklace - Mimco $349A bright, bold necklace is a great piece to add some extra style to an outfit, particularly for a formal or cocktail occasion. Try to go for contrast; if you're outfit is bright opt for a monochrome piece, whereas if you're wearing black them add a splash of colour with your necklace.
A pair of neutral ballet flats - Nine West $110You'll want a pair of shoes that you can wear with a range of options. With a pair like these you can pair them with jeans, capri pants, shorts, skirts and dresses. I love having a multi-purposeful pair in my wardrobe.
A classic watch - Michael Kors $295I'm a rather minimalist dresser when it comes to jewellery. Usually I'm set with a simple pendant necklace and watch. A classic timepiece like one from Michael Kors is a great investment and is guaranteed to look great with any outfit whether dressy or casual.
A hat - Hats by the 100 $60I love hats. Berets, beanies, fedoras, fascinators. I just love them all as they add such a nice element to an outfit. At the moment I'm particularly loving the felt floppy fedoras that are going around. They're great to wear in the city with a sleek outfit or dress it down and wear yours to the beach.
Photos courtesy of Karl Lagerfeld, Mimco, Nine West, Michael Kors and Hats by the Hundred