As well as the ceremony itself, there are plenty of parties taking place and everyone from Gordon Ramsay to, err, Lady Victoria Hervey and Amy Willerton made their way to a posh ‘do or two on Sunday night.
They weren’t the only ones though, as we also spotted Natasha Bedingfield and The Wanted’s Siva Kaneswaran making their way into parties. And no, they didn’t get in by pretending to be jobbing waiters. Unbelievable.
Meanwhile, over at the Vanity Fair bash, tennis star Serena Williams rubbed shoulders with Eddie Redmayne and Oprah Winfrey.
Invites to the ceremony may be reserved for Hollywood’s elite, but it seems just about anyone can RSVP to the many parties taking place post-ceremony.
Don’t believe us? Check out these random stars, who attended some of 2015’s bashes...
Um, who invited you?
Lady Victoria Hervey(01 of11)
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I mean, seriously? HOW? (credit:Karwai Tang via Getty Images)
Kathy Hilton(02 of11)
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Once upon a time, Kathy and her family were a pretty big deal in Hollywood... but in 2015? The jury's out. (credit:Richard Shotwell/Invision/AP)
Siva Kaneswaran, The Wanted(03 of11)
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His former bandmates must be FUMING that they weren't invited too. (credit:Frederick M. Brown via Getty Images)
Natasha Bedingfield(04 of11)
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Natasha's last album 'Strip Me Away' charted at number 103 in the US Billboard 200, back in 2011. (credit:Karwai Tang via Getty Images)
Gordon Ramsey (05 of11)
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Even Gordon's face says, "I don't really know how or why I'm here." (credit:Karwai Tang via Getty Images)
Serena Williams(06 of11)
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From the tennis court to the Oscars. Huh? (credit:Evan Agostini/Invision/AP)
Amy Willerton(07 of11)
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Amy's living proof that a stint on 'I'm A Celebrity' can get you anywhere. (credit:Frederick M. Brown via Getty Images)
Kelly Brook(08 of11)
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To be fair, Kelly is about to star in a US sitcom, but an Oscars party? (credit:JB Lacroix via Getty Images)
Jack Osborne(09 of11)
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While Jack's sister Kelly presented E!'s coverage, he hotfooted it to Elton's. (credit:Jamie McCarthy via Getty Images)
Beck(10 of11)
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Ok so Beck is a pretty important musician and he does deserve an invite, but we bet Kanye West would disagree. (credit:Richard Shotwell/Invision/AP)
Irina Shayk(11 of11)
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Model Irina bagged at invite to the Vanity Fair bash, and then tried to upstage the stars who were there celebrating their wins, in this racy number. It's the equivalent of going to someone else's wedding and wearing white, isn't it? (credit:Evan Agostini/Invision/AP)