Try to find unique pieces, either in outfits or accessories for your work attire.
This necklace, for example, is perfect for dressing up even a simple polo shirt, and is sure to draw a lot of compliments.
The dress to the right here is another unique piece, from Terra Nostra's new fall 2011 collection, that is fun, flirty, quirky, yet can be worn in certain offices or worn out to a work party!
This outfit to the left, again from Terra Nostra's collection, is fun, flirty, simple, and yet totally professional for any office space. The colourful flip-flops add a nice punch to the whole outfit (though I don't recommend that footwork for work!!!).
So, don't be afraid to wear unique things to the office space, as long as they're no too over-the-top...