Check out this super-cute, most adorable, and very affordable day dress by Old Navy:The Knit Halter Dress - $24.50At $24.50, this dress is a total steal. If you're looking for a simple day dress to rock out this summer, this one may be it. It's also available in "Tulip Red" - a bright red color. The dress features ties around the neck in a halter style and ties in the back to cinch the waist.