Today on Twitter, some of pop's biggest stars including Lady Gaga, Justin Bieber, Taylor Swift and Kelly Rowland all reacted to the passing of Apple co-founder Steve Jobs. In typical Gaga fashion of bringing light to a normally somber situation, the Mother Monster said she would be eating Apples all day. We think Jobs would be satisfied with that tribute. Justin Bieber also recognized that Jobs' innovations helped to launch his career that started as a viral video. On a less solemn note, is further disputing rumors that the Black Eyed Peas are breaking up and Paula Abdul gave props to all the contestants on the 'X-Factor' saying that collaborations can prove tricky! See what your favorite stars were chirping about today!