Miley Cyrus recently put on a unique performance of “Flowers” — and called out Kendall Jenner in the process! The Hannah Montana star was singing at her Thursday, July 18, event in Los Angeles that celebrated Gucci fragrances, and since she was belting out her tune live, she was able to make a few changes. At one point, she asked the crowd, “Why am I singing and you’re not?” As Cyrus, 31, continued to appear disappointed by the crowd’s lack of enthusiasm, she quipped, “Is that Kendall Jenner doing harmonies?” seemingly calling out the model, 28, and others for not singing along. Though the Gra…