Students at Meghan Markle's former high school cheer on their most famous alum. Students sang and danced for a special celebration at Immaculate Heart High School, a Catholic all-girls school in Hollywood. Some kids wore fancy hats in honor of the royal wedding. Others created makeshift headpieces. Theology teacher, Christine Knudsen says she couldn't be more proud of her former student. Meghan was involved in theater and starred as Little Red Riding Hood, in her sophomore year.