According to the Director's Commentary, when Lizzie, Nell and Marie are drinking wine and singing in Lizzie's flat the actors ended up using real wine as the fake wine looked too fake and ended up quite tipsy which made for a livelier take or two.

In the scene where Ricky Monroe played by Sean Brown free-styles a hip-hop dance move in the hall outside Frankie's flat, that was entirely improvised by Sean Brown who had been "busting those moves" on set and had been the director's intent to work into the movie since she first witnessed them from the beginning of filming, according to the director's commentary.