Kelly Clarkson, Pitbull to appear on 'VH1 Divas'
Melanie Fiona and Metric are also scheduled to take part in VH1's tribute to the dance music of Donna Summer and Whitney Houston, who both died earlier this year.
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VH1 previously announced that Miley Cyrus, Kelly Rowland, Ciara and Demi Lovato will also take part in the live concert.
Adam Lambert will host the December television special, while Havana Brown is to serve as the official VH1 Divas in-house DJ.
All proceeds from the event will benefit the Save the Music Foundation, which provides and funds music education across the US.
VH1 Divas airs from Los Angeles on Sunday, December 16 at 9/8c.
The cable network began its Divas series with a 1998 concert which brought together Celine Dion, Mariah Carey, Shania Twain, Gloria Estefan and Aretha Franklin on one stage.
Watch Kelly Clarkson perform 'Mr Know It All' below:
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