Kunis, 27, and Timberlake, 30, who are co-stars in upcoming romantic comedy Friends With Benefits, addressed rumours they were hooking up off-camera at the MTV Movie Awards.
The actress said that she and the actor are more like brother and sister.
"Even though we're in the movie Friends With Benefits, Mila and I have never dated," clarified Timberlake.
The two presenters then playfully showed how comfortable they were together - by jokingly groping each other and you can sneak a peek at the video below to know what this is all about..