How does Stop the fit into storyline of Hairspray?

The song "Stop" does not appear in the 1988 film Hairspray or the 2007 John Waters musical version of the film. Instead, the song is featured in the 2002 Broadway version of Hairspray. The song is performed by Penny Pingleton, a character who feels oppressed by society's expectations of women. In the song, Penny urges others to resist societal norms and "stop" trying to be what they are not.