If you're budget-restricted, this H&M Off Shoulder Top will fit the bill. It's a foolproof choice, while not very costly. Another strong contender for your wardrobe is this H&M Blouse. While the price of this piece is rather reasonable, it will certainly attract a lot of attention.
If you're a bargain shopper, look no further than this H&M Tunic. This item doesn't cost a fortune, but absolutely indispensable in your wardrobe.