It's been nine incredible years since Keeping Up With the Kardashians first hit the small screen on E! — and we hope there are many more to come.

We've seen our fair share of guest stars on the family's reality show during the seasons, whether it be celebrity exes, business partners or straight up pals.

MORE: Kanye West Shares Adorable Childhood Video of Kim Kardashian — Watch it Here

See which of your favorite stars appeared on KUWTK in the gallery!