Pet names are the only way to know how serious couples are in a relationship. With Justine Bieber and Selena Gomez, proof is out that they are truly head over heels for each other especially after Bieber calls his Selena "Mamacita Gomez."

Everything posted and shared on the internet always happen to go viral. If celebrities do or say something, it takes a while before the hype goes down. However, nothing goes forgotten and by the looks of Twitter, everything gets remembered.

For Justin Bieber, it's really not a case of bad publicity but more of the "aw-inducing" kind. What did the 17-year old singer talk about that caused Twitter to go on haywire? Well, one thing is for sure, it's not anything illegal. It's simply calling his girlfriend, singer Selena Gomez, a Spanish pet name which means attractive girl - "Mamacita."

"Mamacita Gomez" took to a whole new level when it topped the trending tweets on Twitter and even the girl who was the root of it all joined in on the fun.

"'Mamacita Gomez is flawless' is a trending topic.... if you guys saw me in the morning that would not be your tweet LOL but Thank You!" tweeted 19-year old Selena on her Twitter account of January 16.

The world has seen her on her morning days when paparazzi continue to stalk her and boyfriend, Justin Bieber, on their dates, but those photos still show an amazing looking "Mamacita Gomez."

Still, Justin Bieber has got a lot more to prove to girlfriend Selena Gomez than his fairly adequate skills in Spanish, but plus points to the "Mistletoe" singer because Twitter thinks his pet name "Mamacita Gomez" is too cute to ignore.

With so much time on their hands after Selena Gomez's' announcement of taking a break from the music scene this 2012, fans of this charming Hollywood couple have so much to look forward to. Tjese happenings might include a whole new variety of pet names, photos and dates.

This means fans have to think of another name to call her Justin because "Mamacita Gomez" won't be trending the second time around.

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