Lady Gaga’s false teeth and X Factor at the disco: All the best celebrity pics from the weekend

Lady Gaga took her zany dress sense to a whole new level this weekend when she rocked up to the YouTube Music Awards wearing a set of falsies while Nicole Scherzinger was forced to deny she had been drinking when she got a bit too into the disco spirit during Saturday's X Factor show. Check out these and all the other celebrity snaps from the weekend in our round up…