It's claimed the former X Factor judge was taken into custody following a collision outside a tube station in Southgate, North London on Thursday evening (10 September).
A spokesperson for the Met Police has said: "Police were called shortly before midnight on Thursday (Sept 10) to outside Southgate Underground Station following reports of two cars in collision.
"Officers and London Fire Brigade attended. There were no reported injuries. One of the drivers, a 27-year-old woman, was arrested on suspicion of drink-driving and taken to an East London police station.
"A breath test was administered. We do not discuss the results. She remains in custody."
Reveal has contacted Tulisa's rep for comment.
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