First they groped each other at the 2011 MTV Movie Awards to prove they were "just friends," and now Justin Timberlake and Mila Kunis have released a video campaigning for all of the 'Friends With Benefits' in the social networking hemisphere.

In the PSA spoof, Timberlake and Kunis are as serious as can be delivering their ridiculous message. Timberlake is quickly becoming a comedic master, keeping a straight face as he says, "Social networks are failing to meet the needs of an underserved population. I'm talking about friends with benefits."

Timberlake continues, "Do you know that there's no option to choose friends with benefits as your relationship status?" He follows this up with a sorrowful whisper, "Let that wash over you for a moment." Soon, Kunis chimes in, emphatically saying as she and Timberlake manhandle one another, "But now there's hope -- a growing movement of people united!"

Timberlake and Kunis' summer rom-com flick 'Friends With Benefits' hits theaters on July 22, as you probably already know from the shameless plug Timberlake throws in.

Watch Justin Timberlake and Mila Kunis' 'Friends With Benefits' Campaign Video