BBC Share By Helen Fear Mar 7 2018 By Helen Fear Mar 7 2018 EastEnders fans' "minds blown" after discovering Big Mo's mega-famous sibling Laila Morse has a brother in the business of show! EastEnders Share By Helen Fear Mar 7 2018 By Helen Fear Mar 7 2018 Some EastEnders fans have only just realised the connection between Big Mo actress Laila Morse and Hollywood star Gary Oldman – they are brother and sister! It’s no secret that the pair are siblings, but a collection of soap fans have only just twigged… And the realisation prompted some amusing Twitter posts. https://twitter.com/ChrisMcQueer/status/911537542171906048 One surprised Twitter fan exclaimed: “How mental is it that Gary Oldman and Laila Morse aka Big Mo from Eastenders are brother and sister.” Read more: Mark Wright took his wife Michelle Keegan to the Oscars and her dad tagged along Article continues below Read all the latest spoilers Another wrote: “Idiotic Eureka Moment! Began with Laila Morse being sister of Gary Oldman, just found out she was born Maureen Oldman #doublemo.” An incredulous TV viewer said: “Errrrrr Gary Oldman is Big Mo off Eastenders brother????? Mind blown.” https://twitter.com/yvonnemurray/status/970669593256779777 https://twitter.com/Big_Bad_Samba/status/970725950936764416 https://twitter.com/TomWray98/status/970931149399842816 If there is a better fact out there than Big Mo being Gary Oldman's sister I want to hear it — David Fraser (@DavidEFraser) March 6, 2018 https://twitter.com/tompeck/status/970644663618203648 https://twitter.com/WheloAimee/status/970794471838441474 Idiotic Eureka Moment! Began with Laila Morse being sister of Gary Oldman, just found out she was born Maureen Oldman #doublemo — Wayne Mulhern (@wmulhern37) March 5, 2018 We’re sure Laila was one of the first to congratulate Gary on his Oscar win at the weekend, when he walked away with the prize for Best Actor for his role in Darkest Hour. Gary, 59, and Laila, 72, grew up together in South East London. Read more: Eastenders spoiler: Big Mo returns to Walford with the news Kat’s dead When he shot to fame, he cast his older sister in his autobiographical film Nil By Mouth in 1997, which he wrote and directed. Laila comes back to Walford as Mo Harris next week, after an absence of two years. She’ll return with some bad news for her great-niece Stacey Slater. Did you know Laila Morse and Gary Oldman were related? Leave us a comment on our Facebook page @EntertainmentDailyFix and let us know what you think! Share Good to Know Share By Helen Fear Mar 7 2018 By Helen Fear Mar 7 2018