As rebound fodder goes, I'm sure Michelle's ex Cara Delevingne wouldn't mind rebounding off Zac Efron herself. He is very pretty.

Indeed our first thought too was "Eeeeeh, it must be for a film." However, according to IMDB, neither of them appear to have a film/TV series in production with the following plot line 'opposites attract on a boat in Sardinia. Proceed to fawn all over each other.'

Those 'Michelle Rodriguez and Zac Efron are dating' rumours aren't going away. They're 'genuine'