Musician Zac Brown and jewelry designer Kendra Scott are engaged! "We are so happy and grateful that we found each other," the couple tells PEOPLE exclusively. Scott showed off her dazzling pink diamond as she and Brown posed for the sweet photos after he popped the question, and they smiled widely over the joyful event. In May, the couple made their red carpet debut at the American Music Awards in Las Vegas, and a source told PEOPLE at the time that they had been dating for several months.