My favorite songs of the '80s are:
Anything by Lionel Richie from his solo career (since leaving The Commodores), including:
"Endless Love" (duet with Diana Ross; featured in the movie "Endless Love") (1981)
"Truly" (1982)
"You Are" (1982)
"My Love" (1982)
"All Night Long (All Night)" (1983)
"Hello" (1983)
"Penny Lover" (1983)
"Say You, Say Me" (featured in the movie "White Nights") (1985)
"Dancing on the Ceiling" (1986)
Also:
"Ashes to Ashes" - David Bowie (1980)
"Hard to Say I'm Sorry/Get Away" - Chicago (1982)
"It's Raining Again" - Supertramp (1982)
"Let's Dance" - David Bowie (1983)
"You're the Inspiration" - Chicago (1984)
"Cannonball" - Supertramp (1985)
"Will You Still Love Me?" - Chicago (1986)
"Look Away" - Chicago (1988)
-Benjamin "Mario" Edge (RetroBen81)