FILE PHOTO - Singer Katy Perry performs during her 4-day tour "Katy Perry - Witness World Wide" at Ramon C. Cortines School of Visual and Performing Arts in Los Angeles, California U.S. on June 12, 2017.   REUTERS/Mario Anzuoni/File Photo
Katy Perry will perform in Yas Island's du Arena on December 31 REUTERS/Mario Anzuoni/

Katy Perry to roar in Abu Dhabi New Year’s eve show