David Spade Donates $100,000 to Help Those Affected by Mental Illness After Sister-In-Law Kate's Suicide

David Spade is honoring his sister-in-law and designer Kate Spade after her suicide at age 55. PEOPLE exclusively confirms the actor and comedian, 53, has made a $100,000 donation to the National Alliance on Mental Illness (NAMI). "More people suffer from mental health issues than we may realize but no one should ever feel ashamed to reach out for support," Spade says. "If you or anyone you know is in need of help or guidance please contact the national suicide prevention hotline at 800-273-8255...