Lady Gaga has promised "Mayhem" in the desert as a Coachella headliner. Here are our outlandish wishes for her setlist.

The ballad also leads Global Excl. U.S. for a 12th week. Plus, Ariana Grande’s “Twilight Zone” debuts in the top 10 of both ...

Bruno Mars owns seven spots on Billboard’s global charts, including the top two, proving his worldwide dominance with new and ...

Mark Ronson is best known for his work with Amy Winehouse, including their cover of The Zutons' hit Valerie, and his 2014 ...