Singer, songwriter and actor Rene\xe9 Rapp tells Stephen that she always had her sights set on being a pop singer and was very insecure about her acting skills as a kid. Watch grownup Rene\xe9 flex her acting chops in the iconic role of Regina George in the new \u201cMean Girls\u201d movie, in theaters now.\nLearn more about your ad choices. Visit megaphone.fm/adchoices