While Windows Phone may be lacking a native Instagram client, there is no shortage of decent third...
Source: http://www.phonearena.com/news/Windows-Phone-app-6tagram-to-receive-official-blessing-from-the-real-Instagram_id46023
Source: http://www.phonearena.com/news/Windows-Phone-app-6tagram-to-receive-official-blessing-from-the-real-Instagram_id46023