US entertainer Lady Gaga poses for the media upon her arrival at Narita Airport, Chiba prefecture on June 21. The singer is currently on an Asian tour to promote her new album. - AFP PHOTO

TOKYO: Lady Gaga, dressed in green from head to toe, flew into Tokyo Tuesday for a charity music event for the victims of the March 11 quake-tsunami disaster which devastated Japan's northeast.

Some 200 fans - joined by a 50-strong media pack - cheered her arrival at Narita airport, and the 25-year-old singer responded by raising her left hand with a wristband bearing the message “Pray for Japan” in Japanese and English.

Lady Gaga, ranked this year's most powerful celebrity by Forbes magazine, was due to attend the charity event, MTV Video Music Aid Japan, on Saturday at a convention hall in Chiba near Tokyo.

The American has so far donated $3 million for people in the disaster zones, including revenues from selling the wristband and personal contributions, Kyodo news agency reported.