Rihanna has released a new song with Kanye West and Paul McCartney entitled "FourFiveSeconds."

According to EOnline, the surprise announcement came Saturday night on Rihanna's website.

The track features the Beatles legend on guitar and West's rapping skills.

"Now I'm four, five seconds from wildin'/And we got three more days 'til Friday," RiRi sings in the catchy tune available on iTunes now. "I'm just tryna make it back home by Monday, mornin'/I swear I wish somebody would tell me/ Ooh thats all I want."

The surprise collaboration comes one month after the Barbados beauty accidently revealed that West is planning a North American tour for later this year.

Let's us know what you think of the song!

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