Which Disney Princess Duet Song is the best?

Hey, I am making a fan fiction and I need your help. I want to know waht will be the best Disney Princess Duet Song. PLEASE EXPLAIN WHY. The best answer, and also the most popular will be the winner. I guaranteed to give 2 props to the winner. PLEASE HELP. Here is the options

1. So This is Love -Cinderella and Prince Charming
2. Once Upon a Dream -Aurora and Prince Phillip
3. Skumps -The Kings (Aurora)
4. A Whole New World- Aladdin and Jasmine
5. If I Never Knew You -Pocahontas and John Smith
6. Dig a Little Deeper -Mama Odie and Tiana
7. I See the Light -Rapunzel and Eugene Fitzherbert

Thank you for your help!