South Korean girl group f(x) member Krystal Jung is said to have fainted right after their band's performance during the Shanghai leg of SM Town Live concert last October 18, Saturday.

Last Saturday, the talents of SM Entertainment kicked off with their concert in Shanghai, China for their fourth world tour. The city is the third city stop of SM Town Live following Seoul and Tokyo.

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However, the third show didn't seem to have gone smoothly especially after fans have taken to social networking services to share what has occurred right after f(x), a five-member girl group, performed on stage.

One of the members, Krystal, is said to have fainted after the lights dimmed following their final performance. The members of the band were supposed to exit the stage when the 20-year old singer suddenly reeled over.

Fortunately, before Krystal could hit the stage, she was immediately caught by their Chinese member, Victoria Song, who helped support her. Accounts say that after the lights dimmed, members of the staff as well as security personnel all rushed up to the stage to carry Krystal away.

Reports say that Krystal didn't look fine enough to be performing on stage. While singing and dancing to their recently released song, 'Red Light', the singer is said to be wearing dark-tinted glasses in order to cover her eyes which appeared puffy and red.

Furthermore, the singer did not appear on the closing performance at the concert and has reportedly been brought back to the hotel they were staying at ahead of the others in order to get some rest.

Netizens have speculated that the singer's health has declined over the past weeks as she had been busy filming for the SBS drama 'My Lovely Girl' where she plays the lead role opposite South Korean singer-actor Rain.

Additionally, the singer is said to be suffering from anemia.

Upon hearing the news, netizens have taken to Twitter to show their support for Krystal, posting message and tagging them #GetWellSoonSooJung referring to the singer's real name.

TagsSM Town Live, SM Town, Krystal Jung, f(x)