By Paul Thompson
Last updated at 4:20 PM on 9th February 2012
Lady Gaga has told how she became bulimic because of her desire to have a 'skinny ballerina body.'
The Bad Romance star said she spent most of her time in High School throwing up because she was unhappy with her voluptuous shape.
Even now as one of the world's most successful recording stars she admitted weight is still a struggle.
Under pressure: Lady Gaga has spoken out about her weight issues as a teen and admits she still finds it a struggle now
The 25 year old star also revealed she was a victim of bullies and described the experience as 'painful'.
Lady Gaga, whose real name is Stefani Germanotta, said her desire to be thin led her to becoming bulimic.
She said: 'I used to throw up all the time in high school. So I'm not that confident.
'I wanted to be a skinny little ballerina but I was a voluptuous little Italian girl whose dad had meatballs on the table every night.
The young Stefani Germanotta as a High School teenager
'I used to come home and say, 'Dad, why do you always give us this food? I need to be thin.' And he'd say, 'Eat your spaghetti.' It's really hard, But … you've got to talk to somebody about it.'
Lady Gaga said her voice was suffering because of the bulimia and she managed to stop herself.
'It made my voice bad, so I had to stop. The acid on your vocal chords — it's very bad,' she said.
Speaking at a conference for women in Los Angeles the singer urged young girls Lady Gaga said she still struggles with weight issues.
She said: 'Weight is still a struggle. Every video I'm in, every magazine cover, they stretch you - they make you perfect. It's not real life.
'I'm gonna say this about girls: The dieting wars have got to stop. Everyone just knock it off. Because at the end of the day, it's affecting kids your age. And it's making girls sick.'
Lady Gaga spoke out against extreme dieting during a Young Women's conference called 'It's Our Turn' hosted at a school by Maria Shriver.
During a chat with Shriver Lady Gaga revealed her bullying torment.
'Every video I'm in, every magazine cover, they stretch you... they make you perfect — it's not real life'
She said her desire to be a performer meant she stood out from other girls.
She said: 'I started having trouble with girls in middle school. I always knew that I wanted to do something very career oriented, and I always wanted to be a musician.
'That alone set me apart. I had such strong convictions and I was pretty delusional, in the same way that I am now … in wanting to change the world and end bullying in America and do whatever I can to promote peace around the world.
' It might sound kind of silly coming from someone in red lipstick with a bunch of jewels on my jacket. But that's just the way I have always been. Being excluded is painful.
Transformed: The singer in her new music video You & I in which she reprises her male alter ego Jo Calderone
"It wasn't until my senior year in high school when I finally confronted my main bully. She was always kind of mean to me, but I was always trying to be nice to her.
'And I said, "I am always nice to you. What is your problem with me? Maybe if you just tell me, we can figure this out."
'And she said something like 'Well, I just don't know why you're so serious about music.''
The pop star has been a strong advocate of anti-bullying and in n December met with officials in the White House to discuss it.
Later this month she will launch the Born This Way Foundation aimed at eradicating anti-bullying and encourage individuality and self-expression.
Kitchen Champion 3 - Episode No : 19
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