She's had so many peaks that it's hard to tell, honestly. "Pon De Replay" was her peak and she was supposed to fade away back to the slums of Barbados. And then "SOS" and "Unfaithful" were her peaks, and she was never going to top them again. And then "Umbrella" and Good Girl Gone Bad outperformed all of them, and she was meant to flop with the rest of the singles and next album. And then Rated R was her creative peak, and since it didn't perform so well, she was probably never going to have a hit again; until "Rude Boy". And it's been the same thing with every era. It's honestly so hard to tell with her, when the hits are going to stop.
Well don't be. Be generous and help YOUR faves become ICONS. If you can..
Sure! Real icons can write their own music and don't need a rushed album to be released every year in fear of them fading + don't receive "icon" awards from irrelevant award shows