Celebrities and co-stars have been reeling over Cameron Boyce's death ever since the 20-year-old died in his sleep over the weekend after suffering a fatal seizure caused by an ongoing battle with epilepsy. The Disney Channel star's The Descendants co-star Dove Cameron is the latest to pay tribute to the actor.

The actress addressed her friend's death in a 6-part series of emotional videos, explaining how a visit to therapy helped her decide to publicly open up about his passing through a handwritten letter.

“I felt really weird about posting about Cameron on social media because I felt really emotional and private and intimate and social media is the opposite of that,” she began the black-and-white video. “I just couldn’t quite reconcile the two or make them fit so I didn’t know what I was going to do.”

“I’ve decided that the only way to get through it right now is to be expressive and connective,” she continued before reading her open letter. “The last 72 hours have felt like two weeks, and I’ve spent them trying to make my thoughts and feelings into words and communicate about anything I’m feeling.”

“I’ve been unsuccessful thinking about trying to summarize something where there are no adequate words in the English language,” Cameron added. “I’ve been mostly quiet or expressive through crying. I’ve never stuttered and unable to speak before these last few days. My system is still in shock, my brain is still foggy and full of holes.”

She went on to give her condolences to Cameron's family. “You are all I can think about. My heart aches for you, I’m broken for you. I have close to nothing left, which tells me some small percentage about how you must be feeling,” she said, choking back tears.

Dove then went on to explain her personal relationship with her co-star. “Cameron was one of my favorite people alive in the world. Though I know that’s not unique to me, Cameron was magic — an earth angel,” she said. “Over the last six years, since he was only 14, Cameron talked me down from countless ledges, talked me through eating disorders, helped me out of a dark relationship and through endless breakdowns.”

After discussing his talent, kindness and generosity, the 23-year-old said her final goodbyes. “Goodbye my dear, dear friend and brother,” she read through tears. “You leave behind a colossal wake, a profound chasm that can never be filled, but you also leave millions and millions of deeply impacted, hope-filled and loved-filled human beings who are who they are because of you and how you spent your brief 20 years on this Earth.”

“What a gift you were; you turned the world on its head,” she finished. “We can all only hope to be half the human that you were and you deserved so much more time … I will spend the rest of my life missing and loving you, and I’m all the better for knowing you.”

Watch the full, emotional series of videos below.

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