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.

After JoJo Siwa released her cover of the 1981 hit "Bette Davis Eyes," the original singer, Grammy winner Kim Carnes, seemingly shaded JoJo to show her disapproval. On July 9, she posted and later ...