Fans of 'Produce 101' season 2 trainee Ong Sung Woo had to endure a bit of a heartache after discovering old photos of the trainee modeling at a wedding hall.�

SEE ALSO: Cast of JTBC's 'Love Siblings' display their fun chemistry in 'Elle'

It looks like the Fantagio trainee had quite a few wedding photoshoots modeling as a handsome groom before 'Produce 101'. Photos of Ong Sung Woo showing skinship with a female model particularly seemed to affect fans' hearts, especially a cut of him captured mid-kiss. After sharing the old photos just below, one netizen commented, "Crazy crazy crazy........ I couldn't believe my eyes for a bit... It's okay, it's just a wedding part-time job......... It was just Ong's business...... ^^ Yup man I'm okay.......... Yeah........... I'm good......."

While fans seemed surprised to discover Ong Sung Woo's modeling photos, reactions remained supportive of the trainee. Some commented, "Wah, it makes my heart flutter", "Don't worry. It's business. He's making money right there", "Why does it make my heart flutter? I'm so used to seeing funny Ong Chung and Ong Chung joking around, so seeing him looking all handsome is shocking. You worked hard. Good job", "Sungwoo, I'll make you debut TT Good job working part-time", and more.�

Check out the slew of wedding hall photos below!