AceShowbiz - Shannen Doherty, known for her roles in "Charmed" and "Beverly Hills, 90210," passed away on Saturday, July 13, after a courageous battle with cancer. Celebrities and fans took to social media to express their grief and to celebrate the actress's legacy.

"A true lion heart. What a warrior," Rose McGowan who starred in "Charmed" with Doherty remembered the late star in an Instagram comment. "Your daddy is holding his best girl now. Love to your mama, your dog and all who love you fiercely."

Alyssa Milano, who acted alongside Doherty in "Charmed," also released a statement. Despite their well-documented tensions, Milano recognized Doherty as "a talented actress" and offered her condolences, "The world is less without her. My condolences to all who loved her."

Viola Davis commented under PEOPLE's Instagram post, "Oh man! So sad. Rest in peace," while Olivia Munn shared heartbreak emoji and a tribute on her Instagram Story, recalling their bond over a shared battle with breast cancer. "We became instant friends - which I honestly couldn't comprehend at times because watching her on 90210 was everything to me when I was 10," Munn wrote.

Eric West, who acted alongside Doherty in 2021's "Fortress", reminisced on X (formerly Twitter) about her "warm energy and positive vibes." Filmmaker Don Bluth shared a heartfelt message alongside a photo from Doherty's childhood, lauding her as an "amazing woman" who is now "safe at home with the angels."

Similarly, Kevin Smith, who directed Doherty in "Mallrats", fondly remembered her as a "true talent" and a "good friend," highlighting her as the reason the film got green-lit in 1995.

Reactions from Doherty's "Beverly Hills, 90210" co-stars were especially moving. Jason Priestley, who portrayed Brandon Walsh, expressed his sorrow on Instagram, citing her as a "force of nature." Brian Austin Green, who shared a close bond with her, called her "My sister. You loved me through everything." Gabrielle Carteris, referencing their late co-star Luke Perry, wrote, "I know Luke is there with open arms to love you."

Addressing the past, Doherty had once spoken to PEOPLE about rebuilding her relationships with her "90210" castmates, now as adults with deeper understanding. "There was never any sit-down, like hey let's talk about this. It was just, we're adults, we're in a different place. You kind of start over, but you start over closer," she explained.

Shannen Doherty's passing has indeed left a significant void in Hollywood, as she is remembered not just for her talent, but for her resilience and the indelible mark she left on those who knew her best.