Mr. Men Miss, "Mr. Birthday" and "Little Miss Birthday" were published. There was also an art exhibition at the Animation Art Gallery in central London. In October 2006, Adam Hargreaves created the first Little Miss character based on a real person, Stella McCartney, which he named "Little Miss Stella". This was published as a limited edition of 1,000 copies for use as fashion show invitations. In February 2011, 20th Century Fox and 21 Laps Entertainment announced plans for an animated film. In 2011, Sanrio, the Japanese design company best known as the creators of Hello Kitty, announced that they had reached an
Mr. Men agreement to acquire the rights to the Mr. Men and Little Miss characters from Chorion after the company was forced into administration. This marked the first time that Sanrio had licensed a third-party character since owning the rights to Osamu Tezuka's Unico character in the late 1970s and early 1980s, which was returned to Tezuka Productions after Tezuka's death in 1989. They also own the rights to the Peanuts characters in Japan. In 2016, four new characters were launched to celebrate the series' 45th anniversary, Mr. Marvellous, Mr. Adventurer, Little Miss Fabulous and Little Miss Sparkle. In addition, Adam Hargreaves