Reality TV star-turned-singer Heidi Montag has issued an apology to fans after a profanity-laden track was leaked on the internet.

The Hills star insists she was devastated when new song More Is More found its way onto the web last week - because the curse-filled tune was never meant to be released.

She says in a statement to PerezHilton.com, "On Friday, without my knowledge, a new song of mine, More is More, leaked on the Internet. This edit was never intended to be released and was cut from the album. I sincerely apologize to all my fans who were subjected to the profane chorus."

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(This news article provided by World Entertainment News Network)