Another day, another over-the-top party brought to us by the Kardashians. Who else?

On Friday evening (November 6), the Kardashian-Jenner clan celebrated matriarch Kris Jenner's 60th birthday. While some people in the uh, real world, might be treated a nice outing with the family to the local Olive Garden for their birthday, the Kardashian kids had something a little more glamorous in mind for their mama, treating the famed "momager" to a lavish $2 million Great Gatsby-themed soiree. You know, no big deal.

Hosted at a large sound-stage in West Hollywood, the entire family turned up to celebrate Kris' big day, including Kim, Khloe, Kourtney, Kylie, Kendall, and Rob, as well as an assortment of celebrity friends and guests. Famous attendees of the glittering, champagne-soaked bash included John Legend and Chrissy Teigen, Melanie Griffith, Kathy and Rick Hilton, Will and Jada Smith, Boy George, Tyga, and Ryan Seacrest among many others.

Also in attendance, obviously, was Kris' son-in-law (and daughter Kim's husband) Kanye West. And since no Kardashian event is complete without a big-name performance, a particularly giddy-looking West took to the stage to treat his mom-in-law to and lead the crowd in a classy rendition of "Happy Birthday." Watch below:

In addition to the musical performance, Kris was also treated to a montage of her friends and family wishing her a happy birthday, and while it's still unclear whether or not Caitlyn Jenner physically attended the fete, she was certainly there in spirit. And in a bubble bath:

On that note, happy (belated) birthday Kris!

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