Select the proper noun(s). My friend and I are going to Great Britain this summer and need
sightseeing tips.

Great Britain

Explanation:

you can tell it's a proper noun here because g and b are capitalized in Great Britain (since it's the name of a country)

The song was written by Lorde and American Musician Jack Antonoff and was debuted on March 10, 2017.  While on Beats 1 Radio, Lorde stated that this song came from a sad time in her life.  She also expressed what the song means to her: "But the song kind of ended up turning into a bit of a protective talismans for me. I was like, you know what, I’m always gonna have myself so I have to really nurture this relationship and feel good about hanging out with myself and loving myself."