According to a source from the set, the 31-year-old singer is planning to go size zero.

"Sunidhi has gone under a complete makeover for the show. She is looking gorgeous and stunning in elegant outfits. She has lost so much weight for her new avatar," the source said in a statement.

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"She will be seen in crop top with a fitted skirt laced with a collar neck piece - everything that spells style. She has gone all out to look like nothing less than a diva," the source added.

Apart from Sunidhi, the Indian version of internationally acclaimed singing reality show, 'The Voice India', which will be aired on &TV, will also see popular musicians like Himesh Reshammiya, Shaan and Mika Singh playing the coaches.

The show will be hosted by actor Karan Tacker.