Bollywood celebrities attended the trailer launch of upcoming film 'Hello Charlie' on March 22. Lead actors of the movie Jackie Shroff and Aadar Jain participated in the trailer launch programme. Actress Shloka Mehta and Elnaaz Norouzi added glamour quotient in the event with their sizzling presence. Film producer Ritesh Sidhwani also marked his presence in the event. The film will be released on Amazon Prime Video on April 09.