The "ABCD 2" star took to Twitter to share that he is off to Bulgaria with choreographer-director Remo D'Souza.
"Off to Bulgaria for #Dilwale18Dec with the man @remodsouza," Varun tweeted.
Remo will be choreographing a song in the Rohit Shetty-directed action comedy.
Earlier, Shah Rukh welcomed Vinod Khanna to the sets of the movie by tweeting a picture of the veteran actor, Shetty and him.
"Dilwale" marks the reunion of Shah Rukh and Kajol, who were last seen together in Karan Johar's 2010 drama "My Name is Khan".