Sabrina Carpenter is on the cover of Rolling Stone and defending some of her controversial choices, starting with the surprise announcement that her new album, “Man’s Best Friend,” is arriving just one year after the global smash success of “Short n’ Sweet.” The Grammy winner is still on her Short n’ Sweet Tour, which doesn’t …

When the pop star Sabrina Carpenter dropped the cover art for her forthcoming album, “Man’s Best Friend,” this week, it became an instant conversation piece.