Shawn Mendes and <br />Miley Cyrus Could Be <br />Working on 'Secret' Duet The pop stars are <br />both set to perform at the <br />Grammys on February 10. Miley made her fans think<br />they could be singing a duet <br />together at the ceremony. She shared a picture of <br />herself rehearsing in front <br />of some of Shawn's instruments. Eagle-eyed fans of Mendes <br />noticed that his name was <br />written on one of the guitars. TMZ reports that the pair <br />are in fact working on <br />a secret song together.
