On the latest episode of 'Strong Heart', Wonder Girls' Ye Eun revealed that she wanted miss A's hit song "Bad Girl Good Girl" for the Wonder Girls. She explained, "When I first heard miss A's debut song, 'Bad Girl Good Girl', I loved it. I knew it would be a hit song so I asked our CEO J.Y. Park if we could sing it. He replied 'No', saying 'Who�among�you girls can dance that sexy dance?'...I thought, 'Well if we practiced we could...". Later, Ye Eun performed her self-composed song "Smile" for the very first time in front of a live audience. Check out the clip of her singing "Smile" below: Source + Image: etoday