Vanessa Hudgens and Ashley Tisdale's LAX Departure

Best friends and co-stars Ashley Tisdale and Vanessa Hudgens joined up on Monday afternoon, as Disney duo were departing out of LAX airport.

It's believed that the teenage stars were leaving to start filming the latest installment of their successful film franchise - High School Musical 3: Senior Year.

As previously reported by Gossip Girls, HSM 3 is the story of "Seniors in high school, Troy (Zac Efron) and Gabriella (Hudgens) struggle with the idea of being separated from one another as college approaches. Along with the rest of the Wildcats, they stage a spring musical to address their experiences, hopes and fears about their future."

The film, which is to be directed by Kenny Ortega, is currently listed as having an October 24, 2008 release date.

Gossip Girls

Enjoy the pictures of Vanessa and Ashley leaving from LAX Airport (March 24).