What are some good love songs to play at a Valentine's Day party?

Question

I am throwing a Valentine's Day Party and I wanted to get a few love songs to play for couples.

Answer 1

1. Only Hope by Mandy Moore.
2. I wanna Love You Forever. By Jessica Simpson.
3. Lets Stay Together. By Al Green.
4. Sexy Love. By Ne Yo.
There are many more R&B songs that would be great.

Answer 2

Here's 2 sites that give you lists of love songs.
http://membrane.com/love/
http://valentinesday.about.com/od/entertainment/tp/lovesongr.htm