Hey guys, i just received this in the mail today and i was wondering if they were authentic? http://s1248.beta.photobucket.com/user/itsjonniie/media/IMG_0185.jpg.html?sort=3&o=0 http://s1248.beta.photobucket.com/user/itsjonniie/media/IMG_0184.jpg.html?sort=3&o=1 http://s1248.beta.photobucket...

Shockingly I've never done this before so can someone help me? I'm from Australia and want to send a letter and photo to Ariana Grande for her to autograph and send back. So on the fan mail envelope I just write the address of the Fan Mail Club and her name, put the letter in and stick a stamp on th...