Mumbai, Jan. 23 -- Before the release of 'Border 2', actor Varun Dhawan was heavily trolled on social media, especially over his smile in the song 'Ghar Kab Aaoge'. However, now that the film has been released, the audience seems to be all praise for Varun's performance. .

Filmmaker Karan Johar, a close friend of Varun, took to Instagram and called out trolls.

Praising Varun's performance, Karan wrote, "Has to be said... the reason why it's called a virtual world! Real will always score and prove the noise on social media as defunct! You can troll an artist for his smile but then he laughs when the film releases to packed houses and he receives pure authentic audience love!"

He added, "So noisemakers and clickbait seeking content creat...