She and Natsu's relationship has gone a long way! He's HELPED her get to Fairy Tail! Personally, Natsu has gone to Lucy's rescue so many times! He's like her PRINCE CHARMING! But, then again, that's NATSU!! SO, Nalu FOREVER!!!!!!!
Nalu should be the winner because 1.They look cute together 2.Loads of people ship them even Mirajane 3.Just look https://natsuxlucy-fans.deviantart.com/gallery/33719473/NaLu 4.Natsu was the one who brought Lucy to the guild 5.He saved her from the fake Salamander 6.Lucy even saved Natsu and lastly i just think there a good couple XD