The Met Gala is more star-studded than the Oscars, and celebrities were tweeting up a storm from inside the Metropolitan Museum of Art.

And now we finally have photographic proof that Beyonce Knowles and Kim Kardashian are friends -- just look at those smiles in the photo above (with Bey's sister Solange).

Kim also snapped pics with Madonna and fashion heavyweights Donatella Versace and Valentino Garavani -- perhaps she convinced them to make her some designer maternity wear?

Click on the "Launch Gallery" link above to find out who got Mary-Kate and Ashley Olsen to actually smile, which star gave Jennifer Lopez's butt a thumbs-up, and see the supermodel Tiger Woods got chummy with.

It's probably not who you think!

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