After confirming their relationship, the past relationship between Lee Jong Suk and IU has been widely talked about on social media. Starting from when they were MCs together on a music show to when IU came and sang at Lee Jong Suk's brother's wedding.
Now let's take a look at the photos when IU sang at her boyfriend's brother's wedding. Well, the wedding was in October. Note: If IU and Lee Jong Suk have been together for four months, it means they were already dating at the wedding.