Pop Bytes: Rihanna, Bruno Mars to Perform on ‘The Voice’ Finale + More

- The finale of 'The Voice' is fixin' to be great! Rihanna and Bruno Mars will perform. [Rap-Up]

- 'Call Me Maybe' was the most purchased song on iTunes this year! [Hypable]

- Good girl, Flo. Florence Welch broke up an audience fight at one of her concerts. [PopBytes]

- Kanye West isn't the only one in his relationship that wears a leather skirt. [Amy Grindhouse]

- Kris Allen is going on his Out Alive tour starting in January. [Rickey]

- Remember t.A.T.u.? They reunited! [Hollywire]

- Read a concert review of Ellie Goulding's O2 Brixton Academy show. [ArjanWrites]

- Read 13 facts about Taylor Swift on her 23rd birthday! [BuzzNet]

- Lana Del Rey covered the most recent issue of Obsession Magazine. [Twitter]

- John Mayer will join The Rolling Stones at their gig in Newark, N.J. tonight. [RollingStones.com]

- Listen to Bruno Mars' 'Old & Crazy' featuring Esperanza Spalding. [YouTube]

- It was only a matter of time before Kanye's skirt got it's own Twitter account. [Twitter]

- Dang! Beyonce bought Jay-Z a $5 million watch for his birthday! [GuySpeed]