Hello Kitty Con: Sanrio character celebrates 40th birthday with four-day festival – New York Daily News

More than 25,000 fans are expected; An exhibition at the neighboring Japanese American National Museum, “Hello! Exploring the Supercute World of Hello Kitty,” will continue through April 26, 2015.

40 Is The New Cute: Hello Kitty Celebrates Birthday

Hello Kitty Con being staged in Los Angeles to celebrate 40th birthday

Hello Kitty Con being staged in Los Angeles to celebrate 40th birthday

40 Is The New Cute: Hello Kitty Celebrates Birthday

Hello Kitty Con: Sanrio character celebrates 40th birthday with four-day festival – New York Daily News

Hello Kitty, Ultimate Pop Culture Wiki

Visiting Hello Kitty Con and “Hello! Exploring the Supercute World of Hello Kitty” at JANM

Hello Kitty NOT a cat but actually human says firm behind the global brand - Irish Mirror Online

Happy 40th birthday, Hello Kitty! Here's how local fans are celebrating – Orange County Register