Gemma Styles Wiki, Age, Profile | Contact details 2017 (Phone number, Instagram, Twitter, Facebook)- GEMMA STYLES is an older sister of One direction group member Harry Styles and a Social Media Influencer. She was born on December 3, 1990, Worcestershire, England and has also ventured off on a singing career of her own. Gemma has an Instagram account where she has gained more than 3 Million. She is mainly known by the people through her brother.