This week K-pop star Kevin Kim shares his fitness tips with Andy Trieu. Kevin says the easiest way to have a scheduled plan that works for your body is to get a personal trainer. The ZE:A boys start their workout on treadmills and do a lot of stretching. He says you shouldn't go straight into heavy weights; you need to warm up first. The trick to fast abs? Ab bicycles, and planks. They always finish their workout with a plank. Also squats. Do a lot of squats. Many girl groups do pilates and yoga, which is great for the mind too. Have you got what it takes? Find out...