Leave it to the always-bubbly Katy Perry to coordinate her dress to her blue 'do. During an LA appearance to promote her new line of false lashes, the singer rocked an aqua-and-blue colorblock frock from Roland Mouret's Spring 2012 collection that's part retro, part ladylike, and all scrumptious. If you adore this look but don't really have a fancy occasion coming up, you're in luck because we found this Aqua v-neck colorblock dress ($78) that gives off the same vibe but in a more everyday, approachable cut. All you need to do to make it more Katy Perry is throw on a bow belt, chunky platform sandals (hers are Guiseppe Zanotti), retro shades, and a Solange Azagury-Partridge hot lips ring like the one she accessorized with. Blue hairstyle is totally optional. To get the entire look, see the widget below for how we would style it.
Roland Mouret had just been named the 
