Mary Tyler Moore's friends and colleagues have taken to social media to pay tribute to the beloved Hollywood icon. Co-stars and fans alike have expressed their love and admiration for Mary and her storied career in a variety of touching messages and photographs.

Dick Van Dyke tweeted a tribute to his late co-star, writing, "There are no words. She was THE BEST! We always said that we changed each other’s lives for the better. I…” The actor included a link to a video of the duo performing "I've Got Your Number" on

Later in the evening, Dick, 91, spoke to the Hollywood Reporter to express his devastation more fully.

"Outside of her family, I don’t think there was anyone more proud of her than I was," he wrote. "Just to watch her grow was such a thrill for me. She left an imprint on television comedy."

Oprah Winfrey also took Mary's passing hard, breaking down in tears as she was asked by Entertainment Tonight about the sad news.

"What I'm grateful for is that, in my lifetime, I was able to share with her what her presence in television had meant to me as a young, growing, aspiring reporter," she said. "It's the first time that I can recall a public figure in recent years passing -- and we've lost so many people recently -- where I actually sat down and shed tears about it."

Mary's co-star Donald Sutherland released the following statement on the loss of his dear friend:

“Mary was and is and now always will be, perfect. She was the perfect actor to work with, the performance she gave was perfect, painfully perfect, and the friendship she offered was perfect. I am in her thrall.”

Here, Hollywood rallies together to remember one of its brightest stars.

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