Bigg Boss 12 has been launched by Salman Khan in Goa successfully. The Khan made a grand entry on a speedy boat and shook a leg on center stage to his popular songs Jeene Ke Hai Chaar Din, Heeriye and others. This year the theme is 'vichitra jodi', the contestants will enter the house in pairs. Bigg Boss 12 premieres on Colors on September 16.