After having romantic love affairs with Cooper Hefner for several years they announced their engagement on 6th of August 2015. She dated him being his girlfriend for several months. Cooper Hefner is a producer and he is also famous for his work in Playboy: Inside the Playboy Mansion. She also expressed her desire to get married to him and be his loving spouse. Her parents are not divorced yet.
Byrne childhood dream was acting and she was finally able to quench this dream at the age of 14. She made her acting debut in 2005 by starring an unaccredited role in the short movie CryBaby. Three years later in 2008, she starred the role of Chloe Daniels in the TV series Doctors. She got her rise in fame after playing the role of Pansy Parkinson in the movie Harry Potter and the Half-Blood Prince. Her breakthrough role came in 2014 after she began portraying the role of Alexis "Lexi" Denise Glass-Mason in the TV series Falling Skies. The actual figure about her net worth and salary is unknown.