ABC NewsRachel Platten Sings 'Fight Song' with Young Cancer PatientABC NewsIn an inspiring video shared on Facebook today by the Children's Hospital Los Angeles, singer Rachel Platten stopped by to cheer up a young cancer patient and ended up signing a duet with a brave young boy. Jeremiah Succar, 7, loves Platten's hit ...Watch 7-year-old cancer patient sing 'Fight Song' with Rachel PlattenToday.comRachel Platten Shares Her 'Fight Song' With Young Cancer Patient: WatchBillboard7-Year-Old Cancer Patient Duet With Favorite SingerTMZ.comE!