Another Grey's Anatomy/Private Practice Crossover!

Wow, Shonda Rhimes is really dedicated to this medical world!
As we discussed earlier this week, Grey's Anatomy could very well enjoy ten more seasons.
And we're not sure about Private Practice's longevity, but for right now they'll be having fun with another crossover!
Apparently Derek's lil sis is gonna hop on up to Grey's [...]

Source: http://perezhilton.com/2012-01-14-greys-anatomy-private-practice-crossover-february-16-2012

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