The hitmaker, 48, penned one of her most well-known tracks, Rihanna’s “Diamonds,” in the time ... apparently, her other songs as well. "Sia writes a song in under five minutes,” the ...

Amanda Bynes is teasing a new phase of her career. On Wednesday, the actress shared a clip of an upcoming song titled "Diamonds" on her Instagram. The song features Bynes rapping with artist ...