Johansson divorced her french journalist husband Romain Dauriac back last summer, meaning he caught the actress at the perfect time.
As for Jost, his last documented relationship seems to have been with the amazing Rashida Jones, back in 2013.
They sparked speculation they had split for a second time after she unfollowed him on social media. Speaking about her blossoming TV career Scarlett said Luke had made sacrifices so the pair could be together, as well as helping her with her anxiety.
But Scarlett Moffatt has confirmed that she is still in romantic bliss with Luke Crodden in a gushing new interview, calling her beau her 'best friend.'The former Gogglebox star, who turns 27 today, raved about her hairdresser other half to OK! She said: 'He moved his whole life down to London to be with me.
The two were then spotted again together getting cozy at a party late last month.