Katie Price was before she was famous. Wendy was getting pretty well known but this was before she appeared on kids TV with no drawers on.
Went stratospheric after that.
Used to play football with Robert Smith for Sussex schools. Good little winger before he went all mascara and big hair.
The Cure are well up there in answer to the OP. But I’m not sure they were trailblazing. They were one of a real load of great indie bands.