So instead she posted on social media, asking neighbors to send ellie a few cards. moms melanie panito and renae carter decided to do a whole lot more why did you feel you had to do more than just cards >> this is what people do they step up and help each other out when things get tough >> i looked at mel and can we do something different? let's throw her a party? and she said yep, absolutely and it really took off. ♪ happy birthday to you ♪ >> reporter: for ellie, it was a day she'll never forget. what was your favorite part of that whole day, ellie >> everybody made me have the best birt...