Among the millions of difficult songs out there, we've selected those that are commonly referred to as the hardest ones to sing. Click on and give it a go. No matter whether you're a karaoke hero ...

Snoop, 53, praised the Philadelphia native, saying she worked on "one of the hardest songs that you could ever give somebody to sing on this show." Other coaches were also in shock. Gwen Stefani ...

Snoop himself said Khaylyn would be "performing one of the hardest songs that you could ever give somebody to sing on this show." And she nailed it. The rapper stole Khaylyn from Team Bublé in ...

Snoop, 53, praised the Philadelphia native, saying she worked on "one of the hardest songs that you could ever give somebody to sing on this show." Other coaches were also in shock. Gwen Stefani said ...

Snoop himself said Khaylyn would be "performing one of the hardest songs that you could ever give somebody to sing on this show." And she nailed it. Like costars Reba McEntire, Michael Bublé, and Gwen ...