The 22-year-old actress -- best known for her role as Melissa Joan Hart's niece on Melissa and Joey
-- penned an emotional message on Thursday, following the death of her dad. "Today my heart is hurting. My dad took his own life due to his struggles with depression," she captioned a photo of her father hugging a dog. "I am deeply saddened and will miss him dearly as he was my inspiration and biggest cheerleader."