Los Angeles: From his "Pretty Woman" lead actor Richard Gere to "The Princess Diaries" actress Mandy Moore -- a host of celebrities from Hollywood mourned the death of director Garry Marshall, who passed away on Tuesday. Marshall breathed his last after complications from pneumonia following a stroke at a hospital in Burbank, California. He was 81. Taking to their social media accounts on Twitter, Facebook and Instagram, celebrities who have in some way or the other worked with the late director of hit films like "Pretty Woman" and "Runaway Bride", shared their memories with Marshall, reports people.com. Among those who honoured Marshall with condolences and prayers was Henry Winkler, whose role of Fonz in sitcom “Happy Days” launched his career and Gere, who starred in Marshall's “Pretty Woman” and “Runaway Bride”. Here is what the celebrities had to say: Henry Winkler: Rest in peace. Thank you for my professional life. Thank you for your loyalty, friendship and generosity. Larger than life, funnier than most, wise and the definition of friend. Richard Gere: Garry of course was one of those truly important people one is blessed to meet in one's lifetime. Besides being the pulse and life force of 'Pretty Woman', a steady helmsman on a ship that could have easily capsized. "He was a mentor and a cheerleader and one of the funniest men who ever lived. He had a heart of the purest gold and a soul full of mischief. He was Garry." Mandy Moore: What a gem of a man. He was just the kindest, the most patient, the most human and so, so wildly funny. He also did me me the favor of a lifetime and gave me my very first job (at 16) on 'The Princess Diaries'. "Thank you for all the glorious means of laughing and crying and feeling whole and connected, Garry. Sending love to his family". Wendell Pierce: My heart is broken. Comic genius, Garry Marshall has died. A cultural icon who was brilliant till the end. Always kind. Always funny! RIP Sarah Paulson: Garry Marshall, I am forever indebted to you. Thank you for taking a chance on me. I love you. On the wings on angels, rest now. Zelda Williams: RIP Garry Marshall. You forever changed my father's life, and thus, mine. Thank you for capturing so much joy on film, over and over. Alyssa Milano: I was blessed to have worked with Garry Marshall. Not only was he a wonderful director, but also, he was a gentle, loving, kind man. RIP. Bob Saget: The world has lost a great man, a comedy icon and a wonderful friend. Rest in peace Garry Marshall. Ashton Kutcher: I lost a friend and mentor. We lost a beautiful man and masterful story teller. Gary Marshall I love you. I hope I get to go where you are. Jessica Alba: I had the honor to work with the legendary. Thank you for your comedic genius! a true pioneer. Anna Kendrick: I only met Garry Marshall once, when I was very young, but he was incredibly warm, encouraging, and generous with his time and energy. Lea Michele: So sad to hear about the passing of the incredible Garry Marshall.. You will be missed. Bryan Adams: R.I.P. Garry Marshall. It was a privilege to work with you. 'Pretty Woman'