G. Hannelius is an American actress and singer best known for her role as Avery Jennings on the Disney Channel series "Good Luck Charlie." She was born on December 22, 1998, in Boston, Massachusetts, and began her entertainment career at a young age. Hannelius gained popularity through her performances on television and has developed a dedicated fan base over the years. Aside from her acting career, G. Hannelius is also recognized for her singing...