The daily bulletin, which will be produced for Five by Sky News, will be recorded each weekday after the 3pm update and posted online within two hours.
Users can view the bulletin on the newly created . A Five News MySpace profile page has also been .
The channel will show three highlights from the day's news, which will be specifically chosen to suit the MySpace audience.
users will be able to share their favourite news clips with friends and provide immediate feedback to the Five News team through ratings and comments on individual news items.
During the 'Your News' section of the programme, Five will use MySpace as part of its existing news gathering process, to provide stories and invite users to upload their own news content for possible inclusion in the show.
The partnership with MySpace has been formed as part of Five's longer-term digital strategy to "forge deeper alliances with social networks".
It also brings together two properties owned by News Corporation chairman Rupert Murdoch, who controls BSkyB and MySpace.
James Fabricant, director of video and head of entertainment for MySpace, said: "The way we consume content and media is changing and this partnership allows us to bring bespoke news, created for MySpace users, directly to their desktops."
James Birtles, head of newsgathering for Five News, said: "The exclusive news update for MySpace presented by Natasha Kaplinsky is the first time a news provider and major social networking site have combined forces to deliver news to a whole new audience."
This deal is the latest in a long line of content deals brokered by MySpace, which has signed up the likes of VideoJug, BBC Worldwide, Nuts magazine, National Geographic and NME in recent months.