If you're budget-restricted, your best bet is this Missguided Cami Dress. It's a popular item, while not very expensive. Another strong contender for your wardrobe is this Knot Sisters Slip Dress. While the price of this product is rather reasonable, it will surely attract a lot of attention. You might also want to consider this Love, Fire Slip Dress. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.