![Photo of IU as a Wedding Singer at Lee Jong Suk's Brother's Wedding, After Being Guarded by Her Boyfriend](https://cdns.klimg.com/kapanlagi.com/p/photonews/foto-iu-saat-jadi-wedding-singer-di-per-f35fca.jpg)
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.