I think the trend was heightened by seeing Rihanna rocking the bralets as she looks so great in them.
I have tried double denim myself but decided I'd leave Rihanna to be able to pull it off!
These are a range of bralets I like from Topshop. They all have a slightly different style therefore have different ways of being able to wear each one. With the flowery ones I'd wear them with plain high-waisted shorts and loafers. With the denim one I'd wear with a leather skirt and cute pumps. Lastly I'd wear the scarf print bralet with black high-waisted jeans or a midi skirt and wedges.
Once I find some bralets I love I'll do a post on how I think is best to style them!