The first song from Simran is out and it'll make you want to hit the dance floor. If you are performing at a shaadi function anytime soon then 'Lagdi Hai Thaai' is just the song you have been looking for. Kangana is back in her 'London Thumakda' avatar, only this time she's even better. This song will definitely spice up the wedding mood. It has Jonita Gandhi and Guru Randhawa on vocals and you will love the energy of this one. So get ready to rock the party and hit play now!