Katy Perry has opened up about her mental health battle during the 'worst year of her life' as she reflected on her split from Orlando Bloom in a new interview.

Katy Perry is breaking her silence on her year from hell as she prepares to return to the charts with an emotionally-charged new single.

Katy Perry has opened up about her mental health battle during the 'worst year of her life' as she reflected on her split from Orlando Bloom in a new interview.