Some fans criticised Karina for being an irresponsible frontwoman of her four-woman group A K-pop star who had to issue a grovelling apology to fans for having a boyfriend is single again.

K-pop star Karina has apologised to her fans after news of her dating actor Lee Jae-wook went public A K-pop ... her of "betrayal" - because she has a boyfriend. The fans reportedly drove a ...