Nala's the best, everyone knows it. XD
There were times she seemed more like a natural queen than Simba was a king. And if it wasn't for her being so stubborn and motivated, Simba would've still been lost in the jungle. And she's by far the prettiest lioness, which makes sense when her mom is Sarafina!
For the Nala fans who haven't heard this song off of TLKoB:
http://www.youtube.com/watch?v=AA-BUlJ9MSMThat song is like Nala in music form, and it's just as powerful.