According to source, Miley Cyrus and Liam Hemsworth have made their relationship o Instagram official. On Sunday, the ?Wrecking Ball? singer posted a pic of herself wearing a T-shirt with her boyfriend/fiancé?s last name written on it. She also even included cat heart eye emojis in the caption. According to reports, last month she posted a photo of her cuddling with Hemsworth?s pooch Dora the Explorer.