Sure, Ryan Reynolds and Blake Lively have an adorable marriage, but lately we've been obsessed with the actress's relationship with Anna Kendrick. The two are set to star in Paul Feig's A Simple Favour on Sept. 20, but have developed a sweet friendship off screen. In addition to laughing it up together on the red carpet and attending award shows together, the talented ladies have been giving us glimpses of their bond on social media. While sharing a poster from the film on Instagram, Blake joked that Anna is "hotter, female(r)" version of her husband, Ryan. See even more cute moments between the costars ahead.