Victoria Beckham recently rubbished hopes of a full reunion world tour, when she insisted that her recent lunch with former bandmates Geri Horner, Emma Bunton, Mel B and Mel C did not mean they would be going on the road together.
But Delta tweeted: ''To my beloved girlpower Spice girls - please stop playing with my heart!! One morning it's a go then it's a no :( I and many others vote for a #TOUR! @OfficialMelB @victoriabeckham @EmmaBunton @MelanieCmusic @GeriHalliwell xo (sic).''
The singer and actress rose to fame in the Australian soap 'Neighbours' before launching a pop career and is now serving as a judge on the Australian version of 'The Voice'.
When the possibility of a Spice Girls reunion was first reported, Delta tweeted that she was so delighted she could ''run through the streets knocking on doors to tell people the Spice Girls are reuniting''.
The Spice Girls recently all met for lunch at Geri's house in London - the first time they had all been in the same room together for six years - sparking rumours of a reunion tour.
But Victoria, 43, said at fashion show in New York at the weekend: ''I'm not going on tour. The girls aren't going on tour. It was so great to see the girls...''
It's since been reported the 'Wannabe' hitmakers are still in talks to perform live together in a series of stand-alone shows around the world, instead of committing to a full tour.
Other ideas thought to be in the pipeline following their reunion lunch include a global TV talent show to find a new girlband.
There have also been rumours of a Spice Girls record label to encourage new musicians who can carry on their legacy.
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