Grey's Anatomy Gossip: McSister Hitting on McDreamy?

Grey's Anatomy spoiler alert, fans!

In the photo below - taken from the upcoming fourth season - it sure looks like Meredith's half-sister, Lexie (Chyler Leigh), is hitting on Meredith's full-boyfriend (Patrick Dempsey), doesn't it?

Please don't go there, Shonda Rimes.

Might Meredith Grey have a new reason to cry this season, based on this Grey's Anatomy scoop? It appears that way.

Meanwhile, follow our link to check out a handful of Heroes spoilers, as well.