Pop singer was performing in Detroit when a fan appeared to become ‘overwhelmed’ as Perry invited audience members to sing ...

On August 3, Perry was joined by several audience members on stage to sing "The One That Got Away" at the Little Caesars Arena in Detroit. The pop star introduced ... by the way." Katy Perry performs ...

Jessie J Gives gave an update after being briefly hospitalized for an unknown reason following her recent breast cancer surgery.