International popstars tweet congratulations for Obama

International singers have tweeted their support for Barack Obama.

Canadian Justin Bieber, Georgia-born Katie Melua and Brit Harry Styles have all been showing their support for the President:


alot of emotions right now. congrats President Obama...Im Canadian. Im good. #FreeHealthcare :)


US election result reaction

Reaction from around the world as Barack Obama secures a second term in the White House, defeating Republican Mitt Romney.