Gunned down: Sabrina Moss, 24, was shot dead while out celebrating her birthday with friends
Sabrina Moss, who had a four-year-old son, is believed to have been caught in the wrong place at the wrong time, a senior Police officer said.
Police were called after reports of gunshots on Kilburn High Road in north west London at around 4am.
Another 24-year-old woman is in hospital. Her injuries are not thought to be life-threatening.