This Halloween, many celebrities took to Twitter to talk about the holiday and their costumes. While there were a lot of general, "Happy Halloween" greetings from Hollywood celebs, some sent out some interesting tweets throughout the day. Here is a look at some of the most notable messages.* Heidi Klum announced that she was cancelling her famous Halloween party, saying, "Hope you & your loved ones are safe after the storm. Canceling my Halloween party...postponing to a haunted Christmas."
* Jennifer Lopez plugged her latest tour while tweeting about Halloween, "Happy Halloween! We have a show tonight in Oberhausen! Let's play dress up! Can't wait to see your costumes."
* Paris Jackson sent out several tweets, including pictures of her costume, and this greeting, "what's the story , morning glory ? happy halloween everyone ."
* Dwayne "The Rock" Johnson sent out a picture of himself dressed as the Incredible Hulk, saying, "'Don't make angry. You wouldn't like me when I'm angry' ~ The People's Hulk."
* Actor Danny Trejo's Twitter page shows that he is hosting a costume contest complete with prizes. He asked his followers for pictures, saying, "Happy Halloween to all my followers, I am blessed because of you! It's my favorite holiday, So I wanna see pics of all your crazy costumes!"
* Melissaa Joan Hart tweeted advice for people affected by Hurricane Sandy, saying, "Here's a great idea for any1 without power looking for a way to save Halloween; trunk or treat.Cars pulling onto the road w trunks of candy."
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