Sam Smith is Lily Allens cousin! Wed-23-Jul-14 08:13 Share this Tell Us What You Think WTF 0 LOL 0 FAIL 0 OMG 0 HOT 0 CUTE 0 ] By Jay-Jay FeeneyLILY ALLEN and British singer SAM SMITH are cousins!Sam says, "She's my cousin but I've only met her once in my entire life. My family told me for years that she's my cousin... I never believed them so I tweeted her and she tweeted me back saying that we are cousins." You May Also Like 6 interesting facts about this year's biggest songs BROODS score another big gig Common Kings do a mash-up of Coldplay and Sam Smith Ed Sheeran and Sam Smith big winners at the BRIT Awards Become a fan of The Edge on Facebook and on Twitter .