Lauren Bacall for "To Have and Have Not" (1944), Bacall was so nervous that, to minimize her quivering, she pressed her chin against her chest, faced the camera, and tilted her eyes upward. This effect, which came to be known as "The Look", became another Bacall trademark, along with her sultry voice. Bacall's character in the film used Slim Hawks' nickname "Slim", and Bogart used Howard Hawks' nickname "Steve". The on-set chemistry between the two was immediate according to Bacall. She and Bogart (who was married at the time to Mayo Methot) began a romantic relationship several weeks into shooting. Bacall's role
Lauren Bacall "Miss Bacall – generates quite a lot of pressure as a sharp-eyed, knows-what-she-wants girl", wrote Bosley Crowther of The New York Times of her performance. And, in 1948, she was in John Huston's melodramatic suspense film "Key Largo" with Bogart and Edward G. Robinson. In the film, according to film critic Jessica Kiang, "Bacall brings an edge of ambivalence and independence to the role that makes her character much more interesting than was written". Bacall turned down scripts she did not find interesting, and thereby earned a reputation for being difficult. Despite this, she further solidified her star status in