-She suits every hair colors without any exceptions..
-This girl is seriously so gorgeous..
-Her black hair was legendary..
-I personally like her with dark hair and purple hair so much..
-She looks pretty in every hair colors she has tried so far..
-There's no color that doesn't suit her..
-If you say Irene, the first image that pops up in my mind is her light skin-tone, red lips, and blonde or.. light brown hair..? She looks like a doll..
-Pink two-tone suits her the best.. Pink two-tone..
-She looks the best with that pink two-tone hair.. Her early debut days..
-She looks pretty with every hair colors, but in my opinion.. She looks the best with that purple hair..
-Black hair suits her the best..
-She looks the prettiest with that dark brown hair, in my opinion..
-She's so freaking beautiful..
-She looks pretty with all of them, but pink two-tone is still the best hair color for me..
-..?? There's no hair color that doesn't suit her..ㅠㅠㅠ She looks so beautiful..
-Blonde and grapefruit color<3
-Black and purple<3
-Whoa.. She's so gorgeous..
-I'm not sure since the gifs that the OP inserted here were heavily edited, but pink two-tone looks the best..
-Bae Joohyun is the best..
-Our Hyunie looks good in everything..
-Hyunie's face saves those hair colors..
-Unnie.. I love you..
-I want to see if there's any ugly picture of her in the internet..
-Whoa.. She's so pretty.. I get goosebumps whenever I see her pictures..
-Pink two-tone, black hair, and grapefruit color<3
-She's pretty no matter what hair color she has..
-All of those hair colors are pretty but dark hair is the prettiest for me..