Emma on Dan

In March 2014 were the movie premieres of Noah in NYC and London. This is what is stated about Emma Watson's character Ila-

With Ila having become enamored of Shem...[snip]

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Ila and Shem are lovers. Shem was played kwa Douglas Booth. Here is a pic of Douglas at the NYC Noah premiere-

Note that his outfit is very similar to the one Dan wore for the 26 March NYC DH 1 premiere (black suit with black and white checks/houndstooth). It could be alisema that this was merely a coincidence.
Then came the London premiere on 31 March. Douglas wore a grey three-piece suit with a white shirt, just like Dan did with the London DH 2 premiere. Now I could see that one time being a coincidence, but twice? Would Douglas have done this on his own au would Emma have asked him to do this?