Miley Cyrus issued a statement exclusively to PEOPLE on Sunday, apologizing for a series of playfully provocative 照片 that circulated on the Internet last week, as well as those from a racy, as-yet unreleased Vanity Fair 照片 shoot in which she appears to be nude.

The singer, 15, tells PEOPLE: "My goal in my 音乐 and my 表演 is always to make people happy. For Vanity Fair, I was so honored and thrilled to work with Annie [Leibovitz]. I took part in a 照片 shoot that was supposed to be 'artistic' and now, seeing the photographs and 阅读 the story, I feel so embarrassed."

A 来源 close to the singer tells PEOPLE that Cyrus is clothed but shown 由 renowned photographer Annie Leibovitz in such a way that that the teen appears to be topless.

In the 照片 that circulated on the Internet, Cyrus, her midriff exposed, is shown draped over the lap of her then-boyfriend, her producer's son. In another image, a hint of a green bra is evident. (Those 照片 alone prompted criticism from conservative TV commentator Bill O'Reilly, as well as words of support from the Jonas Brothers and a fellow 迪士尼 star.)

Cyrus goes on to say: "The pictures of me on the Internet were silly, inappropriate shots. I appreciate all the support of my fans, and hope they understand that along the way I am going to make mistakes and I am not perfect. I never intended for any of this to happen and I am truly sorry if I have disappointed anyone.

"Most of all," she says, "I have let myself down. I will learn from my mistakes and trust my support team. My family and my faith will guide me through my life's journey."


迪士尼 Channel Statement
In its own statement about the Vanity Fair story, the 迪士尼 Channel, which broadcasts Cyrus's series Hannah Montana, said: "Unfortunately, as the 文章 suggests, a situation was created to deliberately manipulate a 15-year-old in order to sell magazines."

Describing the 照片 session to PEOPLE, a 来源 close to Cyrus reiterated the teen's excitement at working with Leibovitz, and also 说 of the shoot: "Her parents were there all day. [Father] Billy 射线, 雷 shot, too."

Though Cyrus's parents left before the final shot, with Miley supposed to be appearing topless, the 来源 said: "Miley's grandmother and her teacher were there when she shot it. Annie convinced them it was going to be artistic. Her parents are mortified. They know this is a learning moment for Miley.

"The 照片 suggests that she is [naked], but she is not. She is covered 由 a sheet, and beneath the sheet she is clothed. Originally, she was in a flesh-colored tank 最佳, 返回页首 but was asked to remove it."

PEOPLE's requests to Vanity Fair for 评论 were not answered on Sunday. In a statement to The New York Times, Beth Kseniak, a spokeswoman for both Vanity Fair and Leibovitz, said: "Miley's parents and/or minders were on the set all day. Since the 照片 was taken digitally, they saw it on the shoot and everyone thought it was a beautiful and natural portrait of Miley."