Her mouth drops open as she is clearly shocked. "Ehhh...ummm...really?"
She reaches over grabs the coffee in front of her and wraps her hands around it, smelling the delicious aroma. Her eyes peer into the cup, staring into it trying to make sense of it. Slowly her eyes lift up, and take a few quick glances at Jack before dashing back into the coffee, then up again this time looking at Ianto. Her mouth has closed, though she is still clutching the cup a bit too tightly, and the blush on her face is still bright red.
Alternating between the two men and across the way to where the two Doctor's are still talking. "But Jack, how?" The look on her face has moved from utter shock to just plain confusion... "He barely did more than ever hold my hand?"