Phil Collins - In The Air Tonight (Risky Business movie), train ride scene with Joel (Tom Cruise) and Lana (Rebecca De Mornay) - Funny and Very Hot at the same time... 18+ only! As someone said: "Easily the most enduring, sensual, and beautiful love scenes of all time."
The Addams Family (movie version, though the TV series came first). Other films that would make good Hallowe'en costumes because they're famous, though not really "fashion": The Munsters (similarly, a TV show first), scI-fi (Barbarella, Star Trek, Star Wars, The Rocky Horror Picture Show), fantasy (Mary Poppins, any Disney animation), Rocky, Shaft, Tom Cruise in "Risky Business", Men in Black.
"Risky Business" (1983) Tom Cruise & Curtis Armstrong / Miles: Sometimes you gotta say "What the Fuck", make your move. Joel, every now and then, saying "What the Fuck", brings freedom. Freedom brings opportunity, opportunity makes your future. So your parents are going out of town. You got the place all to yourself. Joel Goodson: Yeah. Miles: What the fuck.
Sexiest Movies of All Time - Most Sexy Movies..."Risky Business"...Phil Collins' "In the Air Tonight" is playing. There is aggressive thigh caressing, Tom Cruise puts his hand up Rebecca DeMornay's skirt, and they're on an empty train the whole time. Trust us, it works.