What nialls favourite song not in the up all night album?

Niall Horan has often mentioned that one of his favorite songs not included in the "Up All Night" album is "Little Things" by One Direction. He has expressed a strong emotional connection to the song, appreciating its heartfelt lyrics and the personal touch it brings to listeners. Additionally, he has shown admiration for various songs by other artists, but "Little Things" remains a standout for him.