4 Responses so far.

1. 

   Anonymous says:

   July 18, 2009 at 6:52 AM

   Fany Fany ^^ xD

2. 

   kamai says:

   July 18, 2009 at 7:09 AM

   i think she sang it very well even though she strain her voice.fany hwaiting!

3. 

   Anonymous says:

   July 18, 2009 at 8:41 PM

   hmm she looked really pretty! i think she was a bit pitchy sometimes but it was alright. kwill was reallyy good tho

4. 

   Anonymous says:

   July 19, 2009 at 7:16 AM

   yep, I like her. her voice eventhough is not as high as taeyon, but much more sweeter than her

SNSD's Tiffany performed with K.Will earlier today on Music Core.

She sang very well in my opinion...

Please tell us a bit about her performance after watching the video under the cut,thanks!!