DOCTOR [about River]: She’s really, really good.
AMY: [proudly]: My daughter.
DOCTOR: My point. [to River] But we’re not married- that wedding never counted.
RIVER: Which wedding?
DOCTOR: The one in the aborted time-line, when I was disguised as a robot replica of myself.
RIVER: Could you be more specific?
-The Doctor Who Companion: Editing The Angels Take Manhattan