Jane Marczewski, aka Nightbirde, has become a shining ray of light and positivity on social media ever since her brief but impactful appearance on America's Got Talent.MORE: Who is Simon Cowell's America's Got Talent golden buzzer act Nightbirde?Since her untimely exit from the show, she has used her fame to advocate for good and hope.WATCH: Nightbirde's adorable new message to fansHowever, she reflected on the tough moments and the hardships in the world around her in her latest social media