One Direction “twinkle twinkle little star” and Harlem Shake.
1D interview; Harry confirms his ‘Hi’ tattoo, as real. 5:15
Praying to God he was talking about the lyric one and the interviewer jut got confused with the ‘Hi’. It’s not overly clear… Hm. And Liam said “It’s my favourite one” which is why I think he might be referring to the lyrics…