Yeah, make a comment about something in your laundry or her laundry and lead in with a joke.
"Hey, I noticed you've got some hot pink thongs in your laundry there. In fact, I snatched a pair the last time we were both here when you weren't looking. I'm wearing it right now, actually. Wanna see?"
(Warning: This may not work)
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http://i848.photobucket.com/albums/ab48/Leonhart4/Squall.jpg