Watch Mommy's Little Angel (2018) HD Full Movie Free on SolarMovie. Watch Mommy's Little Angel (2018) online free. Twelve-year-old Katie has had a short but rough life. When her mother dies from an apparent suicide,...Twelve-year-old Katie has had a short but rough life. When her mother dies from an apparent suicide, her cousins adopt her. Katie adores her new family and will not let anyone, including her abusive father, take her away from them.