Watch Victoria Beckham and Mel C Sing '2 Become 1' in Impromptu NYE Performance

Two of the Spice Girls gave fans a special treat to kick off 2017! Mel C (aka Sporty Spice) held a concert in the Maldives on New Year's Eve and brought her former bandmate and pal, Victoria Beckham (Posh Spice), on stage to sing a special song.

MORE: Victoria Beckham Honored by Queen Elizabeth in New Year's Honor List

The fashion designer rushed the stage to help Mel C sing the Spice Girls' hit, "2 Become 1." Several audience members caught the rare moment on their cameras, posting clips online.

"Candle light and soul forever," Mel C, whose full name is Melanie Chisholm, captioned a pic with Beckham on Instagram. "A wonderful start to 2017."

The British singer also shared a solo shot on stage, writing, "Happy New Year y'all! 2017 let's 'ave it #loveanewyearsgig."

Beckham, too, uploaded snaps from the tropical location, including a photo of herself on the beach, writing, "Kisses on New Years Day x VB."

It looks like Beckham brought her daughter, Harper, along for the Girl Power reunion, sharing a pic of the 5-year-old drawing "I love mummy and daddy" in the sand.

"Kisses from my baby girl X VB," the proud mom captioned the shot.

WATCH: Mel C Opens Up About Developing an Eating Disorder While With the Spice Girls

Interestingly enough, Beckham and Chisholm were the two members of the Spice Girls who opted out of a 20-year group reunion, which prompted Geri Halliwell, Emma Bunton, and Mel B to form the group GEM.

Though the three girls teased "a party" for their fans back in July, no new information has been released since.

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