Twitter has given the world the chance to creatively express themselves in 140 characters or less and celebrity tweets are part of them. It forces you to word your thoughts and emotions concisely to fit in one tweet. It has been great in giving important announcements or linking up a message on to another site or media content. The more following you have, the wider the reach your message has and for the most part, celebrities have been using the platform to engage their fans. It has also been a great sneak peek into their personal lives. Here are some of the most memorable tweets to date sent out by A-list celebrities.