Ok just follow these steps,worked for me right now so I tought,why not share with you guys..

1) Go to: http://www.Minecraft.Net
2) Create and account and login.
3) Go to: http://cf.ly/1I8r
4) Login with your E-mail.
5) Hover over your account name and click ‘Settings’
6) Click ‘change’ and enter your MineCraft Username and Password in the correct boxes.
7) Download the Proxy Client at: http://cf.ly/1I8s
8) Run the Proxy Client and Login with your New Account!