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19 June 2012, 13:59 | Updated: 19 June 2012, 14:09
Laina Walker has released the footage online where she alters the words to the star's hit single 'Boyfriend'.
A Justin Bieber fan has posted a response video to his hit single 'Boyfriend' in which she talks about becoming an obsessed girlfriend.
The 'Never Say Never' star had asked for submissions to coincide with the release of his new 'Girlfriend' perfume and one of the responses has emerged online - attracting huge attention.
The clip sees Laina Walker altering the lyrics to the song and staring into the camera without blinking throughout the footage.
She replaces the star's use of the word "swag" with "nag" as she explains she would be "checking up" on the singer.
"If I was your girlfriend, I'd never let you leave. Without a small recording device taped under your sleeve," she can be heard singing.
You can view a picture of Justin performing at the Summertime Ball 2012 below:
The star recently brought on one lucky fan during his set at the Summertime Ball 2012 where he serenaded the lucky audience member during his track 'One Less Lonely Girl'.
Meanwhile, Justin released his new album 'Believe' this week and is continuing his series of secret shows around the world which saw him being serenaded by his fans after a power cut at his New York show last night.
You can watch the Justin Bieber fan video for the 'Boyfriend' spoof video below: