They’ve been meandering all over Western Europe, from Stockholm, Sweden to Madrid, Spain to Paris, France. And earlier today (October 7) Zac Efron, Vanessa Hudgens, Ashley Tisdale, and Corbin Bleu converged on London, England for the big UK premiere of “High School Musical 3: Senior Year.”

Fans were lined up all over Leicester Square, eagerly anticipating the arrival of their favorite Disney superstars. And once the HSM crew arrived, it was pure pandemonium.

Looking slick with gelled coif, Zac made his way to the Empire Cinema sporting a black button-up shirt teamed with a black tie, black trousers and matching black shoes.

Meanwhile, his on/off screen girlfriend Vanessa looked precious in a 1940’s-style black minidress with silver sequins along with a cropped black leather jacket and black heels.

Lightening things up a bit, Ashley was angelic in an ivory colored, scaly textured frock with matching open-toed heels, while Corbin caused the ladies to swoon in a black jacket with matching pants and a graphite-colored button-up shirt.

Gossip Girls

Enjoy the pictures from the UK premiere of "High School Musical 3" (October 7).