What is a screwball love triangle movie that i can compare/contrast to it happened one night?

Death Becomes Her (1992): http://www.imdb.com/title/tt0104070/

Trailer: http://www.youtube.com/watch?v=B7sMilQeV鈥?/a>



Pretty in Pink (1986): http://www.imdb.com/title/tt0091790/

TV Trailer: http://www.youtube.com/watch?v=wtq3BSDE-鈥?/a>



Employee of the Month (2006): http://www.imdb.com/title/tt0424993/

Trailer: http://www.youtube.com/watch?v=JK-SWgsDp鈥?/a>



Just Friends (2005): http://www.imdb.com/title/tt0433400/

Trailer: http://www.youtube.com/watch?v=Hwt2VtFxK鈥?/a>|||Three to Tango|||When Harry Met Sally?