Morgan Edwards (Season 1)
Vanessa (Season 2, Valentine's Day II)
Weird Ashley (Season 2-4) - Wasn't really a relationship, but it was in Ashley's mind.
Courtney or Debbie (Season 4, Bunny Therapy)
Cassidy Finch (Season 4 & 5)
Zoe (Season 5, The Carpool)
Devin Levin (Season 6-7)
April (Season 8)
Lexie (Season 8-Present).Â