The song 'Lag Jaa Gale' from the yet-to-be-released movie 'Sikandar', starring Salman Khan and Rashmika Mandanna, is sung by actress-singer Iulia Vantur, reported Bollywood Hungama on Monday. Earlier, many assumed that Rashmika herself had sung the song. Reportedly, Salman said at the trailer launch of the movie that the song portion is the best part of the trailer.