Breakfast at Tiffany's (1961)
It's a movie based off Truman Capote's novel, but I never tire of seeing Audrey Hepburn and George Peppard who star in this movie. It's my all time favorite movie. What makes it even better is that Henri Mancini scored the soundtrack for this movie and I adore his musical compositions (Pink Panther, which I also love too, and many others!).