1. Congrats guys on 18 years.. I've been a proud fan for 15 of those years!

  2. Love each of you so much and happy anniversary!!!

  3. Congrats Boys. Happy Anniversary

  4. HAPPY 18TH BIRTHDAY GUYS!!! Your music has definitely made a huge impact on my life!!

  5. 18 years... time runs fast! =')

    Happy 18th Anniversary, guys!!! Thanks for amazing 18 years of great music, laughs, tears, friendship and love!!! And be sure that we'll aways love you and support you no matter what takes. THIS IS US, the Backstreet fans!

    KTBSPA

  6. wherever you are guys-c'mon ALL-LET'S TREND ON TWITTER!!!!!! BACKSTREET BOYS DESERVE TO BE TT
    PUT THIS IN YOUR TWEETS!! C'MON-WE CAN DO IT!!!!

    #BSB18Anniversary

    ktbspa F O R E V E R!! :D

  7. Happy 18th Anniversary guys!!!!!, I hope that you could have so many years more with us!
    I will always support you and thank you for all the music and fun times that you always gave us.

    KTBPA!

    Girls if you have twitter don't forget to write #BSB18Anniversary

  8. Congratulations guys!!!

  9. happy 18 love ya backstreetboys

    thanks boys for making music with out you guys i will problly be very sick or die right now because you guys got me through alot of different things on being my back sugary i just want say thanks for being around all this time and keep on making music

    Proud to be a bsb fan

    As long as we have our fans we can conquer anything-nick

  10. HAPPY ANNIVERSITY MY BOYS!!! u are growing up... sweet!! now u are legal in ECUADOR!! so u can come here to celebrate!!! hahaha LOVE U MORE THAN ANYTHING!!!
    the best wishes for u guys!!! U ALL ARE THE BEST EVER!!!
    LOS AMO!!!! always in my heart!!!