Kanye West and Kim Kardashian have hit YouTube.com co-founder Chad Hurley with a lawsuit for prematurely releasing footage from their recent engagement without their consent. The Stronger hitmaker popped the question to the reality TV star in an over-the-top proposal at baseball stadium AT&T Park in San Francisco, California last week (21Oct13). Days later, Hurley uploaded the two-and-a-half minute video using his company's new video-sharing platform, MixBit, which contains 15 short clips documenting various highlights of the couple's big night. Now the pair has launched legal action against Hurley for leaking the footage, claiming that he used the video as a way to promote MixBit. They also state that Hurley was not invited to attend the proposal. According to documents obtained by TMZ.com, Kardashian agreed to let Hurley stay, but only if he signed a confidentiality agreement, which he reportedly broke by posting the video online. The suit also alleges that Hurley even sent out a press release to alert the media about his exclusive footage. The lawsuit states, "Hurley proceeded to try to turn the event into one starring himself, broadcasting the images he knew were the exclusive property rights of someone else." In Hurley's clip, video cameras are seen filming the proposal and celebration, which were contracted by West in the event they decide to use the footage for his fiancee's reality series, Keeping up with the Kardashians. They are suing for unspecified damages.