Rumors that Charice will be on Glee is indeed just a rumor . Mommy Raqz  confirmed this ! Reports were that her Philippine manager, Grace Mendoza had confirmed the news "Yes, it's true, Charice will soon join "Glee," inquirer.net . Unfortunately, her manager Marc Johnston has not and we're told there is no truth to her appearing on Glee

Charice has also confirmed that she will not be on Glee.

The rumor stating that she will be making an appearance on the show “Glee.” has spread so fast that  it became a trending topic on twitter at one time and it was a topic of conversation on most of the social networking . ie  plurk

and twitter

and facebook