lady gaga

GALLERY: The best of Carpool Karaoke with James Corden

Lady Gaga opens up in emotional letter to fans

GALLERY: Showbiz stories of the week in pictures

Lady Gaga postpones European tour after suffering 'severe physical pain'

GALLERY: Catch up on the biggest showbiz stories

Lady Gaga cancels Joanne World Tour date

Lady Gaga pays emotional tribute to Amy Winehouse on the anniversary of her death

Lady Gaga defends Ed Sheeran after the singer quits Twitter

Gallery: Showbiz stories of the week

Lady Gaga adds more tour dates as tickets sell out in under five minutes

WATCH: Katy Perry releases lyric video for new track 'Chained To The Rhythm'