Britney Spears would like to record a duo with Lady GaGa

Britney Spears recently posted a message on her Twitter account in which she claimed to be a huge fan of Lady GaGa. Singer also said that she would like to perform a duo with Lady GaGa. When she was asked about the collaboration between them, she answered: "Anything's possible".

Lady GaGa recently named herself "Queen of Twitter" after becoming the celebrity with the biggest number of friends on her account – singer went ahead of Britney Spears, who held on the first spot for several months.

Recently Lady GaGa has become the first ever celebrity to have more than 20 million followers on Twitter. According to the reports, she has reached this landmark last weekend.

Singer already thanked her fans. "20 million Monsters! I'm speechless, we did it! It's an illness how I love you. Leaving London smiling", wrote Lady GaGa on her Twitter account.

Britney Spears is another celebrity likely to cross this line soon.