Kirameke venus utsukushiku Kirameke venus konjiki ni
Boku no kokoro Terasu kimi wa smile ichiban ii onna
Kirei na ano ko [1] ni shitto wo shiteru Ano ko mitai ni umare kawaretara
Jinsei sukoshi wa chigatteta kamo ne nante mistake na kangae de
Onaji hito ga futari itemo dame de Sekai ni hitotsu dake no egao ni hikareru
Kagayake venus mujaki ni Kagayake venus hokorashiku
Kono sekai wo kimi dake no light de terase
Kirameke venus utsukushiku Kirameke venus konjiki ni
Boku no kokoro Terasu kimi wa smile ichiban ii onna [ Lyrics from: http://www.lyricsmode.com/lyrics/a/antic_cafe/smile_ichiban_ii_onna.html ]
Hade na keshou ni nail nanka shite Iketeru onna ni natta ki de ite mo
Nanika chigau tte kidzukare wo shite Uso wo tsuku no mo iya desho?
Ari no mama no jibun wo aisanakya Hito [2] wo ai suru koto sae dekiru wake ga nai
Tokimeku venus junjou ni Yurameku venus wa romance
Koi suru kimi ni koi wo shite shimau yo
Kirauru[3] hitomi no manazashi de Yureteru boku no koto minaide
Boku no mune wo kogasu kimi wa smile ichiban ii onna
Warau koto wo osorezu Yuuki wo moteta kimi dake ni
"Ganbatta ne" to tsutaete agetai yo
Kagayake venus mujaki ni Kagayake venus hokorashiku
Kono sekai wo kimi dake no light de terase
Kirameke venus utsukushiku Kirameke venus konjiki ni
Boku no kokoro Terasu kimi wa smile ichiban ii onna
The meaning of this song is pretty clear lol. It's about how girls are caught up in self image problems, when actually there's no need to be. The band are trying to say that they like girls who are happy, rather than vain and misguided. The meaning's in the title "the girl with the best smile". Basically saying that anyone can be beautiful as long as they are happy within themselves.