ET Takes You Inside Coachella's Amazing Surprises!

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This weekend's celeb-filled Coachella festival in Indio, Calif. was full of surprises, including Beyonce herself crashing her sister Solange's performance!
But Beyonce wasn't alone in shocking the crowd with a surprise appearance.
Pharrell Williams also had a surprise duet with Gwen Stefani, and plenty of A-listers like Katy Perry, Leonardo DiCaprio and Jared Leto were spotted enjoying the music.
Watch the video for ET's low-down on the annual fest -- which actually crashed Instagram over the weekend -- including a chat with social media superstars Zane and Heath, and Logan Paul!