is not letting her brother's accusatory Tweet bring her down. The newly-engaged star was spotted yesterday in Miami, getting sort of wet but not really wild with a friend named Cheyne Thomas. Of course, however, the mere sight of Cyrus and a guy not named Liam Hemsworth
sparked rumors, which Miley
addressed on Twitter. "I miss my mommy and my fiance," she wrote. "I love my fiance and he loves me. All the rest is bullsh-t. We get ...