Rihanna, Lady Gaga and the 1975 made some of 2016's best pop albums. Samir Hussein/Redferns/Getty, Logan Cyrus/AFP/Getty, Chris McKay/Getty Talk about "pop" usually means humongous hit singles, and 2016 sure had its share. But the full-length pop album was as healthy as ever, showcasing veterans like Rihanna and Britney Spears at their most revealing, and allowing a newer star like Tove Lo to come