Hollywood was forced to say goodbye to a legend over the weekend, as Peter O'Toole passed away at the age of 81 after a long battle with illness.
The eight-time Academy Award nominee starred in such memorable films as Lawrence of Arabia and is being mourned today by a variety of actors and actresses on Twitter.
Among the most heartfelt messages on the Internet...
Neil Patrick Harris: “So sad to hear about Peter O’Toole passing away. Lucky to have worked with him for a month in Prague. Wonderful man, remarkable talent.”
Jonathan Rhys Meyers: "So sad to hear about the death of Peter O’Toole. One of a kind #legend"