Filmmaker Soundarya Rajinikanth, who has teamed up with actor Dhanush in upcoming Tamil action-comedy "VIP 2", says she has learnt a lot from her brother-in-law.Soundarya and Dhanush have teamed up for the first time for the sequel of his 2014 Tamil hit "Vella Illa Pattathari" aka "VIP"."Thank you D sir. I have learnt and I am learning so much from you," Soundarya tweeted.Dhanush is popularly known as D in the industry.Soundarya is directing "VIP 2", which also stars Kajol, Amala Paul and Vivek in crucial roles.On the last day of the film's shoot on Saturday, superstar Rajinikanth paid a surprise visit to the sets and spent a few hours with the crew.The film is being jointly produced by Dhanush and Kalaipuli S. Thanu.