Ryan Seacrest The Next Simon Cowell?

5/28/2010 4:00 AM PDT

Ryan Seacrest -- The Next Simon Cowell?

There is only one person who could replace Simon Cowell on "American Idol" ... someone famous, someone critical, and someone with a penchant for tight clothing ... someone like Ryan Seacrest.

A TMZ user named April made the suggestion on Thursday's TMZ Live -- and when we got to thinkin' ... it made perfect sense. 

Seacrest knows the show -- he knows the music -- and he has a great rapport with the rest of the judges.

Plus, it would be way easier to plug in a new host than force another awkward, unfamiliar person to sit at the judges' table .... we're talkin' about you Kara.

So we gotta ask ...