In a toast to the pals who stood with them through thick and thin, Bollywood celebrities took to social media on Friendship Day to share heart-felt messages, wishes, and greetings. In a cute post on Twitter, Alia Bhatt said 'let's co-exist'. Students of the year Ananya Pandey and Tara Sutaria did a reunion with Tiger Shroff and director Puneet Malhotra. Bipasha Basu tweeted she's very thankful for her parents, my sisters ... and her husband. Akshay Kumar retweeted the trailer of 'Chhichhore', saying it took him down memory lane.