Hello Kitty fans attend the Hello Kitty Run to celebrate Hello Kitty's 40th birthday at Singapore's Sentosa Island on Nov. 1, 2014. (Xinhua/Then Chih Wey)

Hello Kitty fans jump up for photograph when they attend the Hello Kitty Run to celebrate Hello Kitty's 40th birthday at Singapore's Sentosa Island on Nov. 1, 2014. (Xinhua/Then Chih Wey)

A Hello Kitty fan attends the Hello Kitty Run to celebrate Hello Kitty's 40th birthday at Singapore's Sentosa Island on Nov. 1, 2014. (Xinhua/Then Chih Wey)

A Hello Kitty fan attends the Hello Kitty Run to celebrate Hello Kitty's 40th birthday at Singapore's Sentosa Island on Nov. 1, 2014. (Xinhua/Then Chih Wey)

Hello Kitty fans attend the Hello Kitty Run to celebrate Hello Kitty's 40th birthday at Singapore's Sentosa Island on Nov. 1, 2014. (Xinhua/Then Chih Wey)

A Hello Kitty fan attends the Hello Kitty Run to celebrate Hello Kitty's 40th birthday at Singapore's Sentosa Island on Nov. 1, 2014. (Xinhua/Then Chih Wey)

Hello Kitty fans attend the Hello Kitty Run to celebrate Hello Kitty's 40th birthday at Singapore's Sentosa Island on Nov. 1, 2014. (Xinhua/Then Chih Wey)

Two Hello Kitty fans pose for photograph when they attend the Hello Kitty Run to celebrate Hello Kitty's 40th birthday at Singapore's Sentosa Island on Nov. 1, 2014. (Xinhua/Then Chih Wey)

Hello Kitty fans attend the Hello Kitty Run to celebrate Hello Kitty's 40th birthday at Singapore's Sentosa Island on Nov. 1, 2014. (Xinhua/Then Chih Wey)

Hello Kitty fans attend the Hello Kitty Run to celebrate Hello Kitty's 40th birthday at Singapore's Sentosa Island on Nov. 1, 2014. (Xinhua/Then Chih Wey)