 Finn is paired with Kurt ( Chris Colfer ) , who advises him to sing his ballad to his unborn daughter . When Finn 's mother Carole ( Romy Rosemont ) finds him singing to a sonogram video , she deduces that his girlfriend Quinn ( Dianna Agron ) is pregnant . Finn has dinner with Quinn and her parents Russell and Judy ( Gregg Henry and Charlotte Ross ) , and reveals Quinn 's pregnancy to them in song . Russell says he is extremely disappointed in his daughter and evicts Quinn from the family home ; she moves in with Finn and his mother . Kurt feels responsible for encouraging Finn to reveal the truth and apologizes ; when Finn asks him what ballad Kurt was planning to sing to him , Kurt says it is " I Honestly Love You " . Puck ( Mark Salling ) tells his ballad partner Mercedes ( Amber Riley ) that he is the father of Quinn 's baby , and Mercedes advises him to leave Quinn alone . The glee club then comes together to sing " Lean on Me " in support of Finn and Quinn . 
