Extra dates in Birmingham, Sheffield, Newcastle and Glasgow announced
Singer shares picture online of upcoming tour's running order
'Looking artificial can be honest,' says the 'ARTPOP' singer
Singer says she is "really hoping" to put new music out this year
New graph shows fan ratings for every single episode of animated TV show
The song is the latest track to be taken from her album 'ARTPOP'
London artist Millie Brown vomited paint over the 'Artpop' star during Austin live show
The Korean band will join the singer on seven dates on her US tour this summer
Fans will be able to dance under runways when Gaga performs live
Lovato took to Twitter to express her anger over the controversial pop star's performance