The charity mothers2mothers aims to cut the transmission of HIV and AIDS between mothers and their children.
At this occasion, one of the ‘Spice Girls’ called on women to be there for each other.
It’s been led by Annie Lennox’s husband Dr Mitch Besser and supported by stars including Anna Wintour, who encouraged Victoria to visit some of the charity’s Mentor Mothers in South Africa earlier this year.
‘Whoever you are, wherever you’re from, whatever your financial or health status, you are still a woman and you are still a mother, said footballer David Beckham’s wife.