The cast remembers how Lohan's ace improvisation led to writhing around atop a table. "I think the reactions were real," Lohan tells EW.

Back in 2003, Lindsay Lohan was a budding pop star in her own right, and "Freaky Friday" put that on full display. But the actress eventually stepped away from both music and acting for awhile, so you might find yourself wondering if that's really her singing again in "Freakier Friday.