For the promotion of her upcoming movie Paper Towns (in theaters on the 24th July), actress and model Cara Delevingne went, with a Balmain trousers (for who she has been one of the egeries), to the Tonight Show with Jimmy Fallon. When Jimmy asked her to do a little freestyle beatboxing session, she accepted with pleasure, improvising in the same time a featuring with the singer of band The Roots : Tariq Trotter.