While Canadian singer-songwriter Bieber has roughly 15 times as many followers - 31.7 million - the Vatican newspaper said Benedict had beaten Bieber on re-tweets.

Johannnesburg - IF THE REST of his fans are anything to go by, local teenage girls could come down with “Bieber Fever” when Canadian heart-throb Justin Bieber performs in Joburg next year.

The 18-year-old singer and songwriter, best known for his single Baby and latest releases Boyfriend and As long as you love me, will be heading to South Africa for two shows as part of his international Believe tour.

At the Mount Nelson Hotel on Thursday, Justin van Wyk from Big Concerts confirmed that Bieber would perform in Cape Town and Joburg.

Van Wyk said the concert dates would be announced in the next few weeks.

Since 2009, Bieber has stolen the hearts of teenage girls. – Staff Reporter