Pippa Middleton's Changing Styles!

Pippa Middleton heads to work in a short blue dress and a black blazer on Wednesday (September 14) in London, England.

The 28-year-old younger sister of the Duchess of Cambridge wore two very different outfits the rest of her week!

PHOTOS: Check out the latest pics of Pippa Middleton

On Thursday, she stepped out in a lacy black dress and beige flats, and on Friday, she made an appearance in a button down flannel, pairing the casual look with bright red flats!

WHAT DO YOU THINK of Pippa Middleton’s varying clothing styles?

15+ pictures inside of Pippa Middleton‘s different outfits throughout the week…