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We just snapped Kristen Stewart at a studio in Santa Monica, and the Twilight starlet appeared to be in very good spirits, despite her sprained ankle and the absence of her on and offscreen kissing partner.

Think she's planning her next romantic rendezvous with Rob Pat? If so, she might want to be more crafty next time...unless the two are ready to make their relationship totally public!

CLICK HERE TO SEE THE GALLERY OF ROB AND KRISTEN'S HOT WEEKEND HOOKUP!