LeAnn Rimes Engaged to Eddie Cibrian?

Judging by a mysterious picture posted to Eddie Cibrian's Twitter account yesterday, it looked like he and girlfriend LeAnn Rimes were celebrating something very special this Halloween — an engagement!

"I couldn't resist..."Eddie Tweeted Sunday night with this photo of him on one knee holding LeAnn's hand as she looked shocked.

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But, it seems to be a big hoax in the spirit of Halloween. Maybe the couple was trying to take everyone's mind off of LeAnn's Shape magazine fiasco?

What do you think? Was this engagement just a staged stunt?