29-year-old Hassan Hussain and 20-year-old Yassin James sprayed bullets at Sabrina Moss and her friends as they sheltered from the rain outside a bar.
Her friend Sabrina Gachette was lucky to survive after being hit in the back with a sawn off shotgun during the attack on the high street in South Kilburn.
The two women were only hit because they were standing next to the intended targets - members of the South Kilburn Gang.
More top news
Reclaim the Power stage a protest at Heathrow against a new runway or further airport expansion.
Eight more people were hurt in the collision.
Police are hunting a man who is suspected of grabbing an 11-year-old girl who only got away by biting her attacker's hand.