Lea's fans hail the theater artist that she is. She's got this consistent voice that makes her performances almost predictable but nonetheless impressive. She's an established talent abroad, however the Filipino's admiration for her is largely due to the fact that she made it abroad-- not only abroad, but in the US.
Regine's fans on the other hand celebrate her range and versatility, her impeccable performance that leaves you in awe. However, she has not really made a mark in the US or Europe. But she is regarded as the premiere female artist in the country largely due to the fact that she really sings well.
It doesn't mean that when people pay 7,000 pesos or so for a seat in your concert, you're on top. It doesn't mean that when you're on Broadway, you're on top. But it does say a lot about your talent.
djcharmed: do u really think Mariah or Whitney aspire for Broadway? Not because it's got some prestige to it means that every performer aspires for it. For starters, we don't really know if they do. We don't have the facts.