Penampilan terakhir Joan saat acara Road to Grand Final Indonesian Idol 2018 di Studio 11, MNC Studio, Kebon Jeruk, Jakarta Barat, Senin (09/04/2018). Mendapatkan voting sms terendah Joan tereliminasi pada episode Road to Grand Final Indonesian Idol 2018.(KOMPAS.com / ANDREAS LUKAS ALTOBELI)