Critical consensus on Rotten Tomatoes says that though Emily Blunt gives a brilliant performance , The Girl on the Train slides sluggishly into exploitative melodrama .
The website 's critical consensus reads , `` Emily Blunt 's outstanding performance is n't enough to keep The Girl on the Train from sliding sluggishly into exploitative melodrama . ''
The Girl on the Train -LRB-2016 film-RRB-