Aamir Khan was in proud dad mode today. The actor attended the trailer launch of his son Junaid Khan's upcoming film Ek Din, which also stars Sai Pallavi. Showing his support, Aamir was present at the event as a doting father. He wore a striped shirt with blue jeans and posed proudly in front of the paparazzi. The film is produced by Mansoor Khan, Aamir Khan and Aparna Purohit. Meanwhile, the trailer opens by setting up a soft and heartfelt world, giving audiences a glimpse into what appears to be a magical, gentle, and classic love story.