Blazers...

Blazers are the perfect cool jacket with jeans. You can style it up with accesorizes or keep it plain and formal. You can dress down a dress or dress up a blouse, you can have them in allsorts of colours like bright pinks or blues, or stick to classy blacks and greys. They're just so chic, let me show you what i mean...♥

 Picture found from Elle of brunette in oversized boyfriend blue blazer, similar style can be found at Forever21

Miranda Kerr wearing a soft pink dinner jacket blazer, similar style can be found at Warehouse

The sexy tuxedo blazer goes well with jeans and a t-shirt for a casual laid back look or teamed with leggings, shorts or trousers for a classy formal look for a night out.

To get a similar look to Katie Holmes, grab the blazer from Zara.