Not surprisingly Rebecca Black, Charlie Sheen and Britney Spears are the top trending pop culture topics on Twitter for the first half of 2011.
Here’s the list for the top trending topics on Twitter for the first half of 2011 in Pop Culture category: Rebecca Black – pop singer , Femme Fatale – newly-released Britney Spears album, Charlie Sheen – actor, #tigerblood – hashtag popularized by Charlie Sheen, Nate Dogg – rapper, Anderson Silva – Brazilian mixed martial artist, Tom & Jerry – famous cartoon, Mumford & Sons – British rock band, Bieber alert – referring to artist Justin Bieber and Queen Gaga – referring to artist Lady Gaga.

