'Produce X 101's Lee Mi Dam and Jung Myong Hoon celebrate holidays with R&B-infused 'Hello Christmas' pre-debut single

'Produce X 101's Lee Mi Dam and Jung Myung Hoon reveal MV teaser for pre-debut special single 'Hello Christmas'

'Produce X 101's Lee Mi Dam and Jung Myung Hoon to release pre-debut special single 'Hello Christmas'

A 'Produce X 101' trainee receives coffee cart for the first time out of all contestants