Apparently, Matthew Morrison has let the cat out of the bag about the Valentine's Day edition of "Glee". In addition to the break-ups and make-ups that are part of each episode. the song list for February 8th, goes like this.
Rachel (Lea Michele) - 'Firework' by Katy Perry
Puck (Mark Salling) - 'Fat Bottomed Girls' by Queen
Artie (Kevin McHale) - 'P.Y.T. (Pretty Young Thing)' by Michael Jackson
Tina (Jenna Ushkowitz) - 'My Funny Valentine' by Babes In Arms
Blaine (Darren Criss) and the Warblers - 'When I Get You Alone' by Robin Thicke
The Warblers - 'Silly Love Songs' by Paul McCartney