Are Wangfujing, Qianmen and Xidan shopping centers are only walking distance from Crowne plaza hotel, Beijing?

are wangfujing, qianmen and xidan shopping centers are only walking distance from Crowne plaza hotel? can i go there at nightime and do some shopping ? i just want to buy good replica of Louie Vitton bags and wallets, where should i go? which commercial center should i visit first, wangfujing or qianmen or xidan? thanks a lot