Chris Brown making a duet with Justin Bieber

Singer Chris Brown is reportedly appearing as a special guest at teen sensation Justin Bieber's concerts in Australia. The rumors about his show up on the gig started making rounds after the teen star promised on Twitter page that he would give some surprises for the Beliebers, who are coming to his gigs Down Under. Chris is said to make a duet with the teen idol.

After rocking the music lovers at Indonesia on Saturday night, April 23, Justin Bieber took to his twitter page to announce his surprise for his fans at the Concert. He tweeted, "AUSTRALIA...we are coming...and there might be some surprises. LEGGO!!" He even posted a link to a YouTube audio stream of 'Next 2 You, his duet track with Breezy in 'F.A.M.E.' album.

However, Justin Bieber has completed his shows in Asia and is continuing his world tour in Australia. The excited singer has big plans for his fans in Australia. He would hold seven concerts in Australia. He is starting with an April 26 show in Brisbane.