See what we’re chatting about on our coffee break: • Usher has a brand new job. He, alongside Shakira, will replace Cee Lo Green and Christina Aguilera in the spring season of NBC’s The Voice. In other Usher news, he just announced plans for a brand new European tour with new sensation Rita Ora. The duo will hit 21 cities across the continent starting in Amsterdam on January 18. [Hollywood Reporter] [TGJ] • Mariah Carey is denying rumors that she’s feuding with her fellow American Idol judge, Nicki Minaj. “How can we feud in two days? I think a feud takes a little longer,” said the singer. Minaj followed up, “It’s wonderful, darling.” [People] • LeBron James is shaking things up regarding his personal team. He’s letting go of longtime agent Leon Rose and hiring his friend Rich Paul in his place. Paul reportedly hasn’t become a certified agent as of yet, but already represents players Eric Bledsoe, Tristan Thompson and Cory Joseph. [EURweb] • Diddy landed a guest-starring role on the eighth season of It’s Always Sunny in Philadelphia. Although details of Diddy’s character are being kept quiet, he’s set to begin shooting this week.  [Hollywood Reporter] • Faith Evans is donating all proceeds she earns from her upcoming R&B Divas album to the Whitney Houston Academy. Her fellow R&B Divas reality show cast members KeKe Wyatt, Monifah and Syleena Johnson are also set to appear on the project. Kelly Price and Fantasia will duet with Evans on the album as well. [EURweb]