Miley Cyrus' mother, Tish, surprised her grieving daughter with a new puppy on Friday, as the 21-year-old pop singer mourned the recent death of her beloved dog Floyd. "My mama knew my heart was broken & this morning I woke up to Moonie kisses," Cyrus tweeted, along with a picture of her new pup. my mama knew my heart was broken & this morning I woke up to Moonie kisses pic.twitter.com/1nUudVDaOz— Miley Ray Cyrus (@MileyCyrus) April 4, 2014 Despite the adorable addition to her family of pets, the "Wrecking Ball" singer is still struggling to come to terms with Floyd's passing. "I feel physically sick & I am so emotionally and physically exhausted I feel like I have nothing else to give sweet baby Moonie," she tweeted Saturday. So torn. I love having little Moonie cuddle w me and Mary Jane but just don't know if I'm ready to love again pic.twitter.com/F6OxiXXepi— Miley Ray Cyrus (@MileyCyrus) April 5, 2014 Cyrus broke down in tears during her concert in Boston on Wednesday, telling the crowd that she wasn't "sounding [like] myself." In Brooklyn on Saturday, she sang to a giant statue of Floyd. "These have been the hardest days I have ever been though," she said.