Friends who thought they were exchanging e-mails with Paris Hilton recently might want to confirm they were actually corresponding with the one and only heiress.

A hacker broke into Paris' Gmail account and wrote messages while pretending to be the star, Life & Style has learned. "I can't believe someone would hack into my e-mail account and send people e-mails acting as if they were me," Paris tells Life & Style. "It's such an invasion of privacy."

For more on Paris' e-mail travail, pick up the latest issue of Life & Style, on newsstands now!

Photo Credit: WireImage