Fanmail.biz

I was wondering what the success rate is for some of the people im going to send fanmail to:
(I Know there's a lot but im new to autograph collecting)
-Selena Gomez
-Ariana Grande
-Jennette McCurdy
-Bridgit Mendler
-Victoria Justice
-Cher Lloyd
-Laura Marano
-Carly Rae Jepsen
-Maia Mitchell
-Shay Mitchell
-Lucy Hale
-Katy Perry
-Avril Lavigne
-Caroline Sunshine
-Ellie Goulding
-Kelly Clarkson
-Ke$ha
-Lana Del Rey
-Miley Cyrus
-Rita Ora
-China Anne McClain
-Sierra A. McClain
-Lauryn A. McClain
-Liz Gillies
-Jessica Sanchez
-Shakira
-Fifth Harmony
-Ally Brooke Hernandez (Fifth Harmony)
-Bonnie McKee
-AJ Michalka
-The Band Perry
-Jennifer Lawerence
-Leona Lewis
-Little Mix
-Megan & Liz
-Cassadee Pope
-Lauren Alaina
-Christina Perri
-Cymphonique Miller
-Ashley Argota
-Emily Osment
-Kelly Osbourne
-Rebecca Ferguson
-Kacey Musgraves
-Pia Toscano
-Melissa Joan Hart
-Ellen DeGeneres
-Katerina Graham
-Nina Dobrev
-Ian Somerhalder
-ZZ Ward
-Hilary Duff
-Britney Spears
-Ashley Tisdale
-Nicole Anderson
-Christina Grimmie
-Ciara
-Christina Aguilera
-Taylor Swift
-Lauren Conrad

WOW ! First up this is the wrong part of the forum and second good luck with all them half of them like Miley, Selena, Shakira, Ke$ha and taylor swift don't even sign TTM (Through the mail)