Rihanna: Pop star by day, sports expert by night.
The singer, apparently a diehard World Cup fan, has taken her keen and critical analysis to Twitter, live blogging several games. Her commentary is, shall we say, accessible. It's sports commentary for the common folk -- basically what Johnny Weir and Tara Lipinski were to the Winter Olympics.
No frills, no fuss, no context. Just a lot of exclamation points.
RiRi, quit your day job, because ESPN desperately needs your enthusiasm (and maybe your fashion sense).
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