Bel Powley was born on March 7, 1992 in London, England. She is an actress, known for The Diary of a Teenage Girl (2015), Equals (2015) and A Royal Night Out (2015). Bel Powley was born on March 7, 1992 in London, England. She is an actress, known for The Diary of a Teenage Girl (2015), Equals (2015) and A Royal Night Out (2015).