Miley Cyrus and boyfriend Justin Gaston have called it quits. The 16-year-old singer has confirmed she has split from her underwear model. A moved Miley wrote on her Twitter account, "My heart is in two... and it's all because of you." While Gaston said, "Haven't been this miserable in a looong time." Miley has many projects on the pipeline, including designing a new fashion line with Wal-Mart and touring in September. She is currently filming the movie “The Last Song” in Georgia.
