Hey, if you're still having issues with your Lips trophies not unlocking, please go here: http://forums.xbox.com/30732971/ShowPost.aspx
and post your gamertag. Also, if you have, call them. The more people that call them, the more likely they'll fix it. 1-800-4MY-XBOX, then "Technical Support" then "Games & Media" then "None of the above"