Heidi Montag Pratt took off her clothes for Playboy, and now she’s removing the Pratt from her last name. “She was using Pratt after her wedding,” says an insider. “But she’s going back to just Montag now that she’s in Playboy and about to perform on Miss Universe and release her album.”

Heidi made the decision because Heidi Montag sounds more recognizable, not because there’s trouble in her marriage.

In fact, things couldn’t be better. The 22-year-old star of The Hills revealed to Playboy that she has had 20 to 30 orgasms in one day! “You know, I was never very sexual before I met Spencer,” she confided. “I knew what sex was, but when I met [him], I entered into a whole new realm of understanding, from fantasy to love. Now it’s something I look forward to every minute of the day.… It makes me want to try every new thing…all kinds of ways — indoors, outdoors, upside-down.”

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