Demi Lovato replacing Katy Perry as the voice of Smurfette

Although majority of Demi's fans are thrilled with the announcement as her career began on the Disney Channel's Camp Rock, other aren't quite sure.

Demi Lovato is replacing Katy Perry as the voice of Smurfette in the third Smurfs feature film.

The 22-year-old singer will voice the part in the sequel 'Get Smurfy' and takes the place of Katy, who starred in the first two films released in 2011 and 2013.