Ideas.. give support to please!? im 15 and i share a room with my 11 year outdated...

im 15 and i share a room with my 11 year outdated sister. we want to redo our room. we want an audrey hepburn style room. we are thinking pink and black accent. we are gonna have posters if audrey and different props that are her style. the pick up is finding a bedding. any ideas, tips, or places we can obtain a good bedding?