The court was shown CCTV footage of the killers stalking their target for much of the night before striking outside the Woody Grill kebab shop in Kilburn.
Sabrina Gachette, who sat in court with her mother throughout the trial, said:
Seeing that was scary. How many times did they see us but not once did I see them. They knew there was girls out there.
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George Osborne told MPs London would shoulder a large part of his 37% reduction in transport funding.
The prison was originally opened in 1852 as a mixed prison before becoming the first female-only local prison in England in 1902.
The victim was travelling between Seven Sisters and Highbury and Islington when she was assaulted.