Katherine Heigl Extends Kind Words in Seth Rogen ‘Knocked Up’ FeudKatherine Heigl Extends Kind Words in Seth Rogen ‘Knocked Up’ FeudKatherine Heigl's years-long feud with Seth Rogen over comments she made about 'Knocked Up' eight years ago may have finally come to a merciful end.Ali SzubiakAli Szubiak