FEMME FATALE, the title of the new Britney Spears album, is the longest running continual Top 10 Trend on twitter

"Britney Spears, who last week announced her seventh studio album, Femme Fatale, was the #1 Trending Topic on Twitter during the Super Bowl.
Femme Fatale has been a trending topic for six days straight now and has broken records to become the Top 10 longest running Trending Topic of Twitter."
Source:  Britney Spears' own blog, 8th February 2011
Note - yes, ok, maybe not the most reliable or disinterested source.