The former X Factor judge, 24, donned a pair of black spectacles, a varsity jacket and knee high socks before posing for a picture.
Tulisa, who was also rocking a netball skirt, trainers and a white vest top, sat with her legs crossed and held her fingers in a 'peace' sign as the camera clicked away.
The N-Dubz star then shared the photograph with her followers on Instagram, simply using the hashtag #Tulisa.
Earlier this week, Tulisa tried out another new look, which consisted of super-long sleek hair and toned down make-up.
We can't work out which style we prefer!
Do you like Tulisa's geek chic look? Tell us below, as the best comment from across the website each week wins £50!
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