Twitter index: Xiah Junsu celebrates birthday, Zayn Malik says hi

Xiah (or Xia) Junsu, a former member of the South Korean pop group TVXQ (also known as DBSK) and current member of JYJ, turned 27 on December 14, prompting Twitter users to take to the social network to celebrate. 

Xiah Junsu's birthday accounts for the second- and sixth-placed worldwide trending topics on Twitter. The South Korean pop star and popular celebrity, who has a twin brother called Junho, is receiving birthday wishes from fans both in South Korea and around the world.

Music fans also account for the tenth-placed trending topic, "Hi Zayn," after One Direction member Zayn Malik took to Twitter earlier today to say hello to all his followers, writing "How's everyone doing today? Is it me or is it a bit cold? x" from @zaynmalik1D

The top 10 most talked about topics on Twitter on December 14 at 3:15pm GMT are:

01. #GenerationM [Promoted]
02. #27thXiahDay
03. #TodoTerminóCuando
04. #RestartNoComandoMix
05. #LetsPretend
06. #Happy27XIADAY
07. Van Klaveren
08. Newtown
09. Feliz Viernes
10. Hi Zayn