The universe got a little bigger with these celeb cameos on Rick and Morty. Our countdown includes Elon Musk, Alfred Molina, Alison Brie, and more! Whos YOUR favorite Rick and Morty guest star? Let us know in the comments!

Watch more great Rick and Morty videos here:
Top 10 Insane Things That Happened on Rick and Morty - https://youtu.be/dZ3rq65vdYc
Top 10 Darkest Rick and Morty Moments - https://youtu.be/63zVo00LrkI
Top 10 Rick and Morty Cameos in Other Movies and Shows - https://youtu.be/sLLgVobLnvs

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