Singer Crush sang a congratulatory song at the wedding of the younger sister of his partner, Joy of the group Red Velvet.

Singer Crush attends Joy's younger sister's wedding held in mid-October and sings a congratulatory song. /Courtesy of Online Community Capture

On the 4th, accounts surfaced on an online community about the scene at the wedding of Joy's younger sister. A post showed Crush attending as a guest and singing a congratulatory song. He performed his hit song "Beautiful," beloved as an original soundtrack from the drama "Guardian: The Lonely and Great God," to celebrate the couple's new start.

The wedding of Joy's younger sister was reportedly held on the 18th of last month. Earlier, through MBC TV entertainment program "I Live Alone," Joy personally shared the news of her sister's marriage and revealed a scene of visiting the newlyweds' home to receive the wedding invitation.

At the time, Joy said she was "more nervous than for a music show," and noted she couldn't readily take on the congratulatory song. Instead, Crush took it on.

Joy and Crush formed a connection after working together on Crush's single "Mayday," released in May 2020. They acknowledged their relationship publicly in Aug. 2021 and have continued their romance.

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