It’s a good thing Dua Lipa had all that Mermaid Barbie training. The Grammy-winning songstress — who had a tail of a cameo in last summer’s “Barbie” blockbuster —needed all of her water-nymph powers ...

Taylor Swift’s workout for The Eras Tour involved lots of running on a treadmill. Dua Lipa is going with a different method for the Radical Optimism Tour. “Show prep,” the “Houdini” singer wrote on ...