To celebrate Mamma Mia's opening weekend (oooohmagah I can not wait!) and some recent movie musical casting news, Defamer has put together a list of the top ten vocal performances by non singing-actors.
The list is entertaining, although it doesn't include some of my favorites -- Maggie Gyllenhaal in Happy Endings? Eddie Murphy in Dreamgirls? -- and it's slightly inaccurate -- Zooey Deschanel is listed for her lovely rendition of "Baby it's Cold Outside" featured in Elf, but now she's totally a singer too: