Cheryl Cole is loyal to friends but once you annoy her you are definitely off her Christmas card list as Cher Lloyd found out.
Cole mentored the Swagger Jagger singer during the 2010 X Factor series.
Cher blasted her former mentor during an interview on Real Radio earlier this year, joking that Cheryl wouldn't sing live.
She added that it was "sad" that she had not heard from her since she took part in the X Factor.
However in an interview with We Love Pop magazine, Cheryl said: "After the show I got a lovely, heartfelt text message from Rebecca Ferguson and a lovely message from Treyc Cohen, but I didn't hear a thing from Cher.
"There was no `thank you'. So you don't contact me, but you want me to run around after you?
"It's disappointing she's felt the need to be bitchy, but that's up to her."
Meanwhile, Cheryl performed at the Queen's Diamond Jubliee concert in front of Buckingham Palace.
Cheryl joined Gary Barlow on stage to perform Need You Now to the 12,000-strong crowd that had gathered to celebrate the Queen's 60 years on the throne.
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