Filmmaker Aanand L Rai shared an emotional post dedicated to the lead actors Shah Rukh Khan, Anushka Sharma and Katrina Kaif of his upcoming film ‘Zero’ expressing his gratitude towards them for making beautiful memories during the motion picture’s journey. Talking to his official Twitter handle, he uploaded beautiful concealed pictures of him with the actors, writing, “Sometimes we never come to know the value of a moment until it becomes a memory. Thank you for such beautiful memories in this heartfelt journey of #zero. @iamsrk Khan Saab , @AnushkaSharma and #KatrinaKaif ! #Zero21Dec”While SRK, Anushka and Katrina have shared screen space earlier in the flick ‘Jab Tak Hai Jaan’in 2012, this is trio’s first collaboration with Rai. Earlier this month, Katrina also took to her official Instagram page and shared a heartfelt post for the director. In the film, SRK plays the job of Bauua Singh, a vertically challenged man on a post for a lady of the hour, while Anushka Sharma portrays the job of a researcher who has cerebral palsy and Katrina Kaif is playing a superstar, Babita Kumar, battling alcoholism in the motion picture. The trailer and publications of the flick have already created a huge buzz on social media since their release. Created by Gauri Khan, ‘Zero’ is all set to hit the huge screens on December 21, this year.