RUMOR: Miley to perform with Britney on the opening night???

RUMOR has it! Miley will perform with Britney tomorrow the duet they record together "SMS(Bangerz)" on the opening night of Spears "Britney: Piece Of Me". Miley is announced to be in the crowd on the opening night with Katy Perry, Sia and many more... this can be scandalous!