[Pictures] IU's past sticker photos revealed,possible ex-boyfriend in the photos?

IU gained much fame since last year with Good Day.She has received many love calls for CFs and drama recently.

2 past sticker photos of her and a male friend garnered attention lately.Netizens suspected that the boy in the photos is her ex-boyfriend while her fans defended their idol by saying that the guy is just a friend of IU.

Any opinion to share concerning this issue?

Credits to Gokpop for the photo