The "Bohemian Rhapsody" segment from "Wayne's World" tops a list of 26 Great Sing-Alongs in Movies put together by Buzzfeed.com. 

--Here's the Top 5:

#1.)  "Bohemian Rhapsody" . . . From "Wayne's World",  1992

#2.)  "Say A Little Prayer For You" . . . from "My Best Friend's Wedding",  1997

#3.)  "You've Lost That Loving Feeling" . . . from "Top Gun",  1986

#4.)  "Tiny Dancer" . . . from "Almost Famous",  2000

#5.)  "Respect" . . . from "Mystic Pizza",  1988

Here's the rest of the list!