5SOS: Luke Hemmings and Michael Clifford go on a double date in LA

They're the Sydney-born rockers who split their time between living in LA and touring the globe. But on Monday, 5 Second of Summer's Luke Hemmings and Michael Clifford decided to skip the American Music Awards to enjoy a low-key double date night with their fiancées Sierra Deaton and Crystal Leigh. Date night: 5 Seconds of Summer's Luke Hemmings was seen on a date night with his fiancée Sierra Deaton in Los Angeles on Monday Luke, 25, looked sharp in a white T-shirt, which he teamed with a leather jacket, black pants and boots. His partner Sierra, 30, cut a chic figure in a beige high-neck top, matching pants and black boots Happy in love: The smitten couple were seen smiling and giggling when they were noticed by photographers upon their arrival at the LA hotspot Moments later, Michael appeared in good spirits as he made his way into the popular hangout with his glamorous partner by his side. Moments later, Michael appeared in good spirits as he made his way into the popular hangout with his glamorous partner Crystal Leigh by his side Fashion: The guitarist, 26, was dressed in a white sweater, ripped black jeans and sneakers She completed her look with knee-high boots and a cross-body bag.