Olivia's look is a mix of both polished, tailored pieces and flirty floral prints and you may recognise her from reality TV show "The City" and know of her amazing fashion sense.
I think that Olivia just knows how to find the perfect pieces and put together a great outfit.
In the two collages posted below, you will find similar fashions to that of Olivia's yet they are only for a fraction of the price. For purchasing details/websites check polyvore.com or just ask in the comments below.