An alternative version of "These Walls" featuring Belgian singer Pierre de Maere was released as the fourth single from Radical Optimism on 8 November 2024.

[3] An alternative version featuring Belgian singer Pierre de Maere was released as the fourth single from Radical Optimism on 8 November 2024.

[1][4] This duet version includes additional lyrics in French (sung by de Maere, and, to a much lesser extent, by Lipa).

[9] In Variety, Steven J. Horowitz wrote, "'These Walls' is the album's most arresting song, on which Lipa bemoans the growing distance from a lover with a knowing nod: 'They tell us go and face your fears / It's getting worse the longer that we stay together / We call it love but hate it here / Do we really mean it when we said forever?'".

[10] Sal Cinquemani of Slant Magazine called the track "the most serenely devastating break-up song in recent memory", due to its blend of tropical melodies with more lovelorn lyrics.

[17] After the release of "These Walls" featuring Belgian singer Pierre de Maere, the song reached numbers eight in Wallonia and 26 in Flanders.