WATCH: Father and son have epic lip sync session to ‘Shake it Off’

This father and son duo were lip-syncing to their favorite manly songs on the radio when their playlist took a different turn.

Chris O'Malley and his son Sean were having a great time rocking out to Guns N' Roses. Next up on their playlist was Taylor Swift's 'Shake it Up.' At first, you see the pair exchange a few nervous glances until Sean starts singing. What happens next is hysterical. Take a look at the video to see the pair show off their epic lip-syncing and dancing skills.