Oprah was fully engaged in Ushers performance especially during the songs chanting Oh oh oh which she repeated while wearing Ushers shades.With her Monster Ball Tour now continuing well into 2011 Lady Gaga is certainly showing no signs of stopping anytime soon. In addition to playing on the road touring Gaga has also been recording her next album and filming the music video for her song Alejandro. So when she hit the stage in Sweden over the weekend the pop singer addressed the rumors that shes wearing herself a bit too thin these days.While singing her song Speechless Gaga was anything but speechless when it came to the rumors that shes overworked admitting that she does work long and hard but that its all worth it to her You know when people say Lady Gagas really tired she needs to take a break I just think about all those times I sang in bars when nobody was singing my lyrics she can be seen telling her little monsters in a video posted online Ill sleep when Im dead OK.