Rihanna and Eminem kicked off their six-date Monster Tour on Thursday night at the Rose Bowl stadium in Los Angeles.

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The duo came together and performed their solo hits and, of course, their collaborations.

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Their opening tour night also brought out some celebs. See below which ones showed up to cheer from the crowd.

Kendall and Kylie Jenner were stylish for the occasion.

Adriana Lima posted this video with the caption, "My baby girl."

Grey's Anatomy co-stars Jesse Williams and Ellen Pompeo were also there together.

Supermodel Janice Dickinson and her fiancé also posted this photo from the night.

Check out the future Monster tour dates here.

Tags: Rihanna Eminem