• "Lights Up" is a song by English singer and songwriter Harry Styles, released through Erskine and Columbia Records on 11 October 2019 as the first single from his upcoming second studio album.
• In the days preceding the song's release, billboards appeared in several cities around the world with the phrase "Do You Know Who You Are?", which was connected to Styles after each of the posters featured both the Columbia Records logo and the acronym "TPWK", standing for "Treat People with Kindness", which has appeared on Styles' tour merchandise.
• A website also named "Do You Know Who You Are?" that offered compliments to users who entered their name on it was also set up.
• Roisin O'Connor of The Independent gave the song 4 out of 5 stars, calling "Lights Up" "Styles's most assured song to date. And described the song as “a piano and guitar-based track drenched in California Dreamin’ vibes and loaded with psychedelic grooves”.
B-side: "Do You Know Who You Are?"
Harry Styles, Thomas Hull, Tyler Johnson
Tyler Johnson, Kid Harpoon
Harry Styles Tour Dates: