The Cheetah Girls will launch a 50-date North American tour, beginning Oct. 8 at the Frank Erwin Center in Austin, Texas, and wrapping Dec. 21 at the San Diego Sports Arena in San Diego.

Tickets for the AEG Live-produced jaunt go on sale Aug. 23 via ticketmaster and

The lengthy trek is in support of "The Cheetah Girls One World" soundtrack for the group's third movie on the Disney Channel. The set drops Aug. 19 via Walt Disney Records.

The Cheetah Girls' most recent studio album in 2007, "TCG" (Hollywood Records), has sold 126,000 copies in the United States, according to Nielsen SoundScan.

The trio's -- Adrienne Bailon, Sabrina Bryan and Kiely Williams -- soundtrack in 2006 has sold 1.4 million units, according to Nielsen SoundScan. The set debuted at No. 5 on the Billboard 200 in August 2006.