Black Crossbody Bags from 6pm.com
If you're in a thrifty mode, this Betsey Johnson Crossbody will fit the bill. It's a popular choice, while not very costly. In this price range, you can also check out this Volcom Crossbody. It's also a popular item and won't break the bank. You may also want to look at this Moschino Crossbody. This item is not expensive either, but it will make a difference in your wardrobe.
If you can afford to spend a little more, we recommend looking at this Stuart Weitzman Crossbody. While the price is very reasonable, this product is an easy wardrobe update.