Madonna invites Justin Bieber to perform on world tour

London: Pop diva Madonna has invited Justin Bieber to perform with her on her summer tour, which begins from Israel on May 29.

The `Girls Gone Wild` singer says she is a huge fan of the teen pop sensation and wants to hook up with him at one of her summer concerts, reported Contactmusic. "Justin is awesome. I`m a huge fan. I love it when he raps," Madonna wrote on her twitter page. To which Bieber replied, "Seeing that is a huge honor. Yours is a career artists dream of. Congrats on the new album!(sic)." This prompted Madonna`s invite, with her writing, "Come and join me on stage when I`m on tour when we are in the same city, and congrats on your new single." PTI