The four stars visited the U.K. capital's Harvey Nichols store to sip the Viva Forever! beverages which were created in their honour.
Fifth Spice Girls member Victoria Beckham was absent from the launch as she prepared to debut her new style collection at New York Fashion Week - but she was on her pals' minds.
In a post on her Twitter.com page, Chisholm writes, "Missed you today victoria beckham Good luck for Ny fashionweek (sic)."
The cocktails were created to celebrate stage show Viva Forever!, the London musical which features the girl group's music.
The production's writer Jennifer Saunders also attended the drinks launch.