Catherine O'Hara has sadly passed away at the age of 71. The actress was a true force of nature, best known for her role in the Home Alone franchise, and more recently, television’s Schitt’s Creek.As tributes continue to pour in for Catherine O'Hara, one in particular stands out as genuinely heartbreaking. Macaulay Culkin, who played her son in the Home Alone films, took to Instagram to share a post about his former on-screen mother, who played a role in his life even in adulthood. Culkin punctuated his January 30 post with the following caption,“Mama. I thought we had time. I wanted more. I wanted to sit in a chair next to you. I heard you. But I had so much more to say. I love you. I’ll see you later.” View this post on Instagram Instagram PostAs per Mashable, a Los Angeles Fire Department statement claims she was rushed to the hospital on the morning that she passed in “serious condition”, although no further details have been made available as yet. For now, the entire entertainment industry is mourning the loss of a true icon, as the public awaits more information.Tributes pour in after news of Catherine O'Hara’s passingThe news of Catherine O'Hara’s passing has been so jarring, as it came as a surprise. There had been no public mentions of any underlying health issues, which contributed to the collective shock felt by many people who had been touched by the actress.Once the news of her demise was reported online, several of her friends within the industry took to social media to pay their respects, including Breaking Bad star Bryan Cranston. The actor took to Instagram to post a carousel of images of the two over the years alongside the following caption.“I am completely devastated today upon hearing of this great lady passing away. Catherine O'Hara was a genius comedic actor, and a beautiful human being. I adored her. We worked together as husband and wife I think three or four times… I’ve lost count. And then again just last year as rivals on The Studio.”Cranston went on to add,“Working with Catherine was like playing tennis with Venus Williams. She never let you feel it - but you just tried to volley the ball back to her, hoping that you can come close to her level of talent. She was brilliant, and joyful. I think back on all the years where I laughed so much at what she did on screen… I have to. I need to, because now all I can do is cry. I’ll miss you. Make ‘em laugh in heaven. B”Several other celebrities have also taken to social media to post positive messages about Catherine O'Hara, whose kindness in life seems to be reflected by the devastation felt in the wake of her passing.