Tokyo goes gaga for Lady Gaga -- and charity

Lady Gaga, the pop queen of the moment, pounced into Japan for her Monster Ball Tour dates in Kobe and Yokohama last week. While in the land of the rising sun, she has been on a promotional blitz for her newest album and her numerous other projects.

One of her major activities is the Viva Glam campaign which she fronts for cosmetics giant M.A.C. where 100 percent of the proceeds of Viva Glam lipstick sales are donated to AIDS research.

To fête its release, she held a special 'secret' mini-concert last night at TABLOID, the yet unopened art and creative studio-slash-warehouse at the Hi-no-De port.

She teamed with Chinese-Canadian performance artist Terence Koh who created a custom white piano topped with a statue of a sitting naked woman with a giant rabbit head.

He also injected himself into the performance by chanting on stage dressed in monk garb.

The Kano Sisters, Miliyah Katoh and Moe Oshikiri were among the celebrities thrown into the stage pit with drag queens, sumo wrestlers and other industry bigwigs who decided to play Halloween for the evening.

Lady Gaga sang three songs, including "Bad Romance" and her new single "Alejandro" before strapping fluorescent lights on to herself and Koh and being carried off through the frenzied crowd.

To see more Lady Gaga Tokyo-related mayhem, check out party pics from the event as well as images of Japanese Lady Gaga fans lined up in front of her concerts.