BBC EastEnders DNA bombshell as Walford favourite discovers another character is her secret sister
![BBC EastEnders DNA bombshell as Walford favourite discovers another character is her secret sister](https://i2-prod.mirror.co.uk/incoming/article31263740.ece/ALTERNATES/s615/10_EastEnders.jpg)
EastEnders aired quite the DNA bombshell on Monday night, as returning character Lauren Branning discovered another Walford character was her secret sister on the BBC soap