Lily, a 24-year-old waitress, had no idea that she was serving NASCAR superstar Kyle Larson. Polite and discreet, Kyle enjoyed his meal without attracting attention. But when he left, he placed a folded receipt on the table… and walked out with a smile. Curious, Lily opened it, but just a few minutes later burst into tears. Kyle's post wasn't just a thank you, Lily tearfully shared with reporters