In Love (2015) in Murphy's apartment there's a replica of the love motel which is a reference to the movie Enter the Void (2009) made by the same (brilliant) director Gaspar Noé. :
Gaspar noe hi-res stock photography and images - Alamy
Vortex' Clip Teases The New Mind-Bending Film From Gaspar Noé
Cannes: Watch The First Clip From Gaspar Noe's 3D 'Love'
Watch: 3 NSFW Clips From Gaspar Noe's 'Love' – IndieWire
From Cannes: Gaspar Noé is Characteristically (and Pretentiously) Self-Referential in 'Lux Æterna' | Arts | The Harvard Crimson
Love' - A Film by Gaspar Noé (Trailer) - YouTube
Gaspar Noé's IRREVERSIBLE and IRREVERSIBLE: STRAIGHT CUT - American Cinematheque