Anne Hathaway has discussed working with Jack Antonoff on music for her new film Mother Mary . The thriller, released April 24 in the UK, sees Hathaway play a pop star who abruptly ends her tour after an emotional crisis before reconnecting with an estranged friend and fashion designer (Michaela Coel) to prepare for a comeback performance. For the film, Hathaway performed new songs written by Charli XCX and produced by Antonoff, who also worked with her as a “guide”. Hathaway’s performance of the track ‘Burial’ was released back in March, and can be heard here . Now, the actress has opened up about working as a musician for the film, saying the experience was “humbling”. This isn’t the first time that Hathaway has gotten involved in the soundtracks to her films, having also taken on singing roles in both the 2012 film adaptation of  Les Misérables , and in 2011’s animated film,  Rio .…