Oh no, no. This can't be. There's more on Quentin and Sofia. Another report:

Hmm... either Quentin or Sophia might have been doing the walk of shame on Sunday. Because they were also together around midnight on Saturday night at Hudson Bar & Books. Eek!

But evidently, Sofia fell by the wayside sometime on Sunday:

Quentin was also frantically searching around Gourmet Garage like a fricking crack head looking for something they didn't have. Does he have Tourette's?