Kelly said: "This current spate of reunions has given us ideas. Despite what people say we are all still really close."
Beyoncé Knowles, Kelly Rowland and Michelle Williams have been inspired to reunite by the Spice Girls recent comeback, and are planning to discuss working together again over the Christmas period.
Kelly said: "This current spate of reunions has given us ideas. Despite what people say we are all still really close.
"A couple of weeks ago Beyoncé did a show in Los Angeles and asked me and Michelle to join her on stage to sing 'Survivor'. The emotion was incredible and it felt so good to be back up there with the girls again.
"It was a real tear-jerker. The fans were crying and going nuts. It was magical. I'd definitely like us to do more stuff like that."
Kelly - who enjoyed a successful solo career after the band split in June 2005 - will be joining Beyoncé and the entire Knowles family for Christmas dinner.
She said: "As ever, Beyoncé and I will be spending Christmas day together, it will be a real family affair."
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