The host says the singer will 'crack eventually'
Singer appeared in a manger at O2 Academy Brixton
"I prefer to do my charitable bit by donating actual money," says singer
The Sony imprint released albums by Cults and Tom Odell
The singer swore six times during the station's Big Weekend broadcast
Tour management company EC1 music claims the singer breached contract, which she denies
Celebrities are taking part in the charity stunt to raise awareness about amyotrophic lateral sclerosis
'Sheezus' singer set to bring live show to UK in November and December
Allen will tour with the pop star for a string of dates in the US next month
Writer Helen Fielding has changed story for West End production