Yes. Her real name is Lillian Truscott.
No it is in the movie
According to Wikipedia: Lillian "Lilly" Truscott is a fictional character from the Disney Channel hit television series, Hannah Montana. She is played by Emily Osment.
The 10th of March,1992!
Truscott
Lily Truscott
Lilly Truscott and Oliver Oaken
Lilly Truscott/Lola Luftnangle
Lily Truscott.
Lilly Truscott/Lola Luftnangle
Lilly Truscott/Lola Luftnangle
Lilly Truscott/Lola Luftnangle
Lilly Truscott/Lola Luftnangle