Isla Stanford, the sister of Jack Avery from the boyband Why Don't We, has carved out her own niche as a popular Instagram personality, amassing a following of 250,000. Her Instagram profile lists her talents as both a singer and model, showcasing a variety of selfies and outfit displays, all managed by her mother, Kristin. Isla was raised in Pennsylvania and began her social media journey on the app musical.ly under the username ImIslaRose.