The possessive form of you guys.
"I know that in your guys's official bio from Warner that it says you would tour with anyone because your music touches so many genres."
-LP Web, pushmeaway.com
"I still have about 30 lbs to lose, which I would love to lose in 3 months..and after reading all your guys's stories I have gained even more motivation"
-Megan, Age 14, female (blubberbuster.com)
"Hey can I use your guys's phone for a sec?"