Leah Remini has broken her silence around the death of Mike Rinder, a Scientology whistleblower who earned an Emmy for exposing the secret organization, and recently died. "On Sunday, we lost a giant,

I haven’t come to terms with the reality that I can’t call him and hear his voice anymore," the actress wrote in honor of her late friend

"The thought of moving forward without him feels unbearable," the actress and TV personality says of Mike Rinder.