As the world celebrates the beauty of nature and environment on World Earth Day, Bollywood celebs filled up social media with messages. World Earth Day is celebrated on April 22 every year. Celebrities asked their fans to show a bit of love towards our planet and help preserve its natural habitat. Alia Bhatt, Katrina Kaif, Neetu Kapoor, Suniel Shetty, Sidharth Malhotra, Hema Malini, Karisma Kapoor, Arjun Rampal & others post messages on social media.