Dil Lagi is a Pakistani romantic drama television series, produced by Humayun Saeed and Shahzad Nasib under their production banner Six Sigma Plus. It is directed by Nadeem Baig and written by Faiza Iftikhar. It features Humayun Saeed and Mehwish Hayat in lead roles. The serial originally started airing on ARY Digital on 5 March 2016. The series was well received and critically acclaimed. At 16th Lux Style Awards, it received four nominations with winning an award of Best TV Play.

Six Sigma Plus is a Pakistani independent film and television production company. The company was founded by actor Humayun Saeed and Shahzad Nasib. The company also co-produces TV dramas with Next Level Entertainment.