On the November 4, 2012 episode of 2 Days & 1 Night, Uhm made the surprise announcement that he was engaged to ballerina Yoon Hye-jin, and that they were expecting their first child.
Pada tanggal 4 November 2012 pada episode 2 Days & 1 Night, Uhm membuat pengumuman mengejutkan bahwa ia bertunangan dengan balerina Yoon Hye-jin, dan bahwa mereka mengharapkan anak pertama mereka.