Dua Lipa is polished and proficient — and a bit of a bore — at the Palladium

But in this case, the reaction wasn’t earned: Unlike Lipa’s album, with its sharp writing and the singer’s low, throaty singing, Monday’s show had a dull, by-the-numbers quality. Often, you felt like you could easily have been watching Bebe Rexha or Hailee Steinfeld or one of the many other young singers for whom streaming, and its easy adaptability to social media, has provided a quick path to stardom.