There's something about a tuxedo-inspired look that's entirely chic. This Giambattista Valli Bow Belt ($117, originally $390) would help me achieve that look, but it would also break my bank. Luckily, there's an identical version for way less.
To see the look for less, read more.
Look here, the Rodarte for Target line includes a bow belt ($13). It exudes the same chic vibe without straining your wallet. I already got mine and have been throwing it over all my dresses. Unfortunately this piece isn't available online, but search to see if your local Target has it.