Mexican "Beliebers" seemed unfazed by controversies surrounding pop star Justin Bieber's Latin America tour as screaming legions camped outside his Mexico City hotel on Monday (November 18) ahead of his concert in the Mexican capital.

The singer has suffered a serious of hiccups in his tour - from food poisoning to delayed shows, even getting filmed by a woman while he was sleeping.

But his "Beliebers" fan base remained loyal to their idol despite all the controversies.

SOUNDBITE: Justin Bieber fan, Dulce, saying (Spanish)

"It's all like a perfection. He is perfect, his smile, everything."

SOUNDBITE: Justin Bieber fan, Megan, saying (Spanish)

"I love him, and I will be with him forever. I wasn't a fan from the very beginning but I'm going to be with him until the end."

Bieber will play two shows in Mexico City as part of his Believe world tour.