question

so i have a friend who lives in another country who wants to be in a live broadcast yes a friend(not me i have 2 previous lb appearences) she wants nothing more than to be on a live broadcast but she does not have a computer so my question in live chat if i sign in as her or talk for her to try and get her in one will it work does the option to fight in live broadcast go to your profile or your ip address? if i could talk for her and she gets picked will the option go to her x box live profile or will it goto my profile because of ip address. any help is appreciated.