It ain't Christine. Skin tone on woman in image is lighter, bust larger, figure rounder. Strikes me as a more mature woman.
People have suggested Sophia and it's actually a possibility. Sophia's bust and butt about same, skin tone same, unusual for a woman living in this city, unless she stays inside, OR she's arrived in the city relatively recently.....?
It's clearly a wig. Why? Well, women wear wigs for fashion but also disguise. Perhaps this woman didn't want to be recognised entering Logan's apartment. Makes sense.
One thing we're sure about L&P he's FULL of surprises, unknowns, uncertainties. Maybe, just maybe he's already initiated a Sophia/Logan story thread choosing to spring it on us NOW. It's possible.
Sophia would have plenty of reasons for sleeping with Logan, just think about it....!
And this is as good as time as any to really stir it up among the inpatient, the disillusioned, and the doubters.