This is an archived article that was published on sltrib.com in 2013, and information in the article may be outdated. It is provided only for personal research purposes and may not be reprinted.
Here's what's being talked about in pop culture:
• Justin Bieber gave a gift to the musical world just before Christmas: He announced on Twitter, "I'm officially retiring." [Billboard]
• Matt Smith said goodbye to "Doctor Who" in rousing fashion on the BBC show's Christmas episode, which also saw the debut of the new Doctor, Peter Capaldi. [Entertainment Weekly, Vulture]
• "The Wolf of Wall Street" led the Christmas Day releases at the box office. [The Hollywood Reporter] [Billboard](http://www.billboard.com/articles/columns/pop-shop/5847901/justin-bieber-tells-twitter-im-officially-retiring)|
[The Hollywood Reporter](http://www.hollywoodreporter.com/news/box-office-wolf-wall-street-667620)|