"Nobody Wants to Be Lonely" by Ricky Martin and Christina Aguilera
Why you probably forgot about it: Because Christina Aguilera has practically retired from the music industry.
"On the Line" by Lance Bass, Joey Fatone, Mandy Moore, and BBMak
Why you probably forgot about it: Because three people saw the movie On the Line.
"Could I Have This Kiss Forever?" by Whitney Houston and Enrique Iglesias
Why you probably forgot about it: Because people get caught up on the Mariah and Whitney duet when this one is actually kind of better.
"Music of My Heart" by NSYNC and Gloria Estefan
Why you probably forgot about it: Because you obviously don't give a shit about music education!! Or, it flopped.
"Bring It All to Me" by Blaque and JC Chasez
Why you probably forgot about it: Because you want to be able to un-hear JC singing, "Are you feeling my Timbs, my baggy jeans, my thug appeal?"
5 Duets Every Millennial Should Be Embarrassed They Forgot About