was all smiles as she left her West End show on Saturday night. The actress is currently starring in the two-man show Lemons, Lemons, Lemons, Lemons, Lemons at the Harold Pinter Theatre in London alongside co-star Aidan Turner. Jenna, 36, looked stylish in a black checked coat as she stepped out of the theatre’s stage door.  She added a pair of black brogues to her look, wearing her blonde tresses in a sleek side parting.  The beauty toted her essentials in a burgundy bag which she clutched as she made her way out of work.  Looking good: Jenna Coleman looked stylish in a black checked coat as she left her West…