Sapna Mukherjee is a Bollywood playback singer who won the Filmfare Award for Best Female Playback Singer for the chartbuster hit \"Tirchi topiwale\" in Tridev (1989). She has since sang for most of the leading ladies of the time including Sridevi, Sushmita Sen, Rekha and many others. She was introduced in Bollywood by Kalyanji Anandji in Feroz Khan\'s magnum opus Jaan baaz (1986) where she sang \"Ek to kam zindagani..pyar do pyar lo\" picturised on the ravishing Rekha. Despite being well trained in classical singing and having the potential, she couldn\'t scale great heights like her contemporaries Alka Yagnik and Kavita Krishnamurthy. Yet she\'s still remembered for the naughtiness and spunk in her voice specially for the cult song \"Oye Oye\" from Tridev (1989) Some of her popular songs include: O Sikandar - Corporate Parody song in King Uncle Khud ko kya
Which bollywood actress has the most beautiful smile?