Attendees to Taiwanese band Mayday's concert in Taipei on Jul. 12 were pleasantly surprised when Taiwanese boy group F4, which disbanded in 2009, made a special appearance near the end of the show.

MANILA, Philippines — The original (OG) F4 Jerry Yan, Ken Chu, Vanness Wu and Vic Chou surprised and delighted their millions of fans worldwide after Ken posted their reunion on stage after 12 years.