Katrina Kaif to sing a song for Salman Khan. Aamir Khan, who recently worked with Katrina Kaif in Thugs of Hindostan, revealed about an impending chess challenge between the two. He said if Katrina loses, she will accompany Aamir to Galaxy Apartment. He said, "If Katrina would lose to me over a game of chess, she will have to accompany me to Galaxy apartments in Bandra.