in BTS its is jungkook his voice is so awesome.
I'm monsta x it will be kihyun I just love his songs.
junhoe because when he singed eyes nose lips he sounded really awesome.
when he singed beautiful liar his voice was so awesome.
woohyun because I die when I hear his voice
baekhyun because his voice in exo next door when he singed beautiful
sorry I can't choose who my favorite singer is in seventeen so I chose all the vocals