Hey, Ho, Hollywood!

In the fourth installment of the series that inspired the Disney Channel films, the unstoppable teens take the next step to pop stardom: La La Land! The hairdresser of Galleria''s mom, Pepto B., gets a tip. Kahlua, the teenage R&B diva whose last single topped the charts, is coming to town. The Cheetahs hatch a plan—"Mission Kahlua"—in which they rock Pepto B.''s salon with their newest song, "Mor...