EXCLUSIVE: Goldie Hawn Remembers Garry Shandling: His Death 'Was Such a Shock'

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Goldie Hawn got emotional while talking about her friend and former co-star, Garry Shandling, who died on Thursday at age 66.

"I'm not as happy tonight, let's put it that way," Hawn told ET at a gala for the UCLA Institute of the Environment and Sustainability on Thursday night. "I'm gonna miss him."

WATCH: Garry Shandling Dead at 66

"It was such a shock and you deal with it. It's life and it happens to everybody one way or another, but when somebody passes that's special and you love, it hurts," she added. "So, that's what I feel about that. We'll miss him a lot."

Hawn and Shandling starred as husband and wife in 2001's Town and Country, which also featured Warren Beatty and Diane Keaton.

WATCH: Conan O'Brien Remembers Garry Shandling: He Helped Me Through a 'Particularly Difficult Time in My Life'

Many in Hollywood have been mourning Shandling's unexpected death. Better Call Saul star Bob Odenkirk spent time with the comedy legend just four days ago, and he released a heartfelt statement to ET about his friend.

"Garry was a guiding voice of comedy," Odenkirk said. "He set the standard, and we're all still trying to meet it. He gave us all opportunities to learn how to do the best work of our lives. But, more importantly, as I knew him these last few years, he was a person who never stopped trying to be a better person. That's yet another way he inspired me, and I'm sure many others who knew him."

WATCH: Watch Garry Shandling Give ET a Tour of His Home Back in 1986

Others took to social media to share their condolences, including Kathy Griffin, who was with Shandling and Odenkirk on Sunday.
"Sunday, my longtime friend Garry Shandling was here, making everyone laugh," she wrote. "I loved him. I'll miss our talks the most."

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See even more heartfelt messages from Shandling's pals and peers in the video below.