When it comes to the slip dress they were a huge trend in the 90s and they're still a trend going strong now. We now have to consider this slinky number a closet essential. They're versatile dresses that you can wear to work, off-duty, or on a night out. Style them with a blazer, layer a tee underneath, or throw on some sexy heels. They require minimum effort, slip one on and you instantly have a chic outfit. I put together a few places you can buy a slip dress for under $65. Prologue at TargetI love to keep my style minimal but chic. This Prologue dress from Target does that…