Sometimes it seems like fashion can be impossible to keep up on, however there are a few pieces that never seem to date. Regardless of season, current trends or age, there are a few timeless pieces that are worth investing in. From Chanel to Burberry, Liberty to Diane Von Furtsenberg - we bring you our 5 Classic Items Every Woman Should Own.Chanel-5171-C501_3C-Gloss-Black_-Grey-Gradient- -321. Chanel 5171 SunglassesA good pair of sunglasses can last you a life time and few have stood the test of time the way Chanel's sunglasses have. When it comes to fashionable eyewear, Chanel continues to lead the pack with their range of classic and timeless sunglasses. Made from the finest Italian acetate with a glossy black finish and bow detailing, the Chanel 5171 continues to be a firm favourite and a must have piece for any fan of sunglasses.dianevonfurstenberg2. Diane Von Furstenberg Wrap DressDiana Von Furtsenberg's wrap dress is a true classic, with it's iconic silhouette playing host to graphic prints, floral designs and embellished embroidery. Easy to transition from office to evening wear, DVF's dress has for 40 years been a staple of many a fashionable women's wardrobe.mulberrybayswater3. Mulberry BayswaterThe Mulberry Baywater is a true example of contemporary British elegance and is perfect for the woman on the go. Perfect for carrying both your laptop and your day to day essentials, the Baywater is the kind of bag that only gets better with time.libertyscarf4. Liberty ScarfA brightly coloured scarf refreshed any outfit and Liberty continue to put out some of the most beautiful patterned scarves on the market today. Worn in your hair, round your neck or as a top - a beautifully printed scarf is a versatile piece of any women's wardrobe.burberrytrench5. Burberry TrenchcoatFew items have the longeivity of the classic Burberry trenchcoat. A staple of quintessential British style, the Burberry trench is polished, practical and facing a bit of a resurgence due to being a favourite of Kate Middleton. Perfect for taking you through the seasons. So what do you think? Any glaring omissions? What are your must have items?