VIDEO : Pete Davidson Makes SNL Appearance After Troubling Post

Pete Davidson made a brief appearance on NBC's " Saturday Night Live" Saturday night to introduce Miley Cyrus and Mark Ronson's second musical performance of the night. There was speculation the comedian wouldn't appear following a disturbing Instagram post he shared Saturday in which he wrote, "I really don't want to be on this earth anymore." The National Suicide Prevention Lifeline (1-800-273-8255) provides 24/7, free, confidential support for people in distress, as well as best practices for professionals and resources to aid in prevention and crisis situations.