Bones:
Booth/Brennan

Castle:
Castle/Beckett

The Vampire Diaries:
Damon/Elena
Bonnie/Jeremy
Caroline/Tyler
Elena/Stefan
Stefan/Caroline
Jeremy/Anna

The OC:
Summer/Seth
Marissa/Ryan
Ryan/Taylor 

One Tree Hill:
Peyton/Lucas
Brooke/Lucas
Haley/Nathan

Gossip Girl:
Blair/Dan
Chuck/Blair 

Gilmore Girls:
Rory/Jess
Lorelai/Max
Lorelai/Luke

Pretty Little Liars:
Spencer/Toby
Ezra/Aria
Aria/Jason
Lucas/Hanna
Hanna/Caleb

Glee:
Kurt/Blaine
Rachel/Finn
Artie/Brittany
Sam/Quinn

How I Met Your Mother:
Robin/Ted
Lily/Marshall