Who is the voice over in truvia sweetner commercial?

Rebecca Zapen performed vocals and violin parts on 3 of Truvia's commercials that came out around January 2009

I'd swear it's Julia Roberts but I have no proof yet. Keep watching.

I believe it is Jane Lynch, who play Sue Sylvester - the CheeriOS Coach from Glee.

It is Jane Lynch. Her main source of income before (and during) he new breakout character in Glee was voice-overs.

I was thinking it sounds like Kate Micucci. She played in several episodes of "Scrubs" as Ted's love interest. If you've heard her sing, you might agree...

I believe it is Zoey Deschanel.