Maybe it's her incredible success (she's won nine Grammys and an Oscar!) -- or maybe it's just the sophisticated and mature way she carries herself. But either way, we're refusing to believe that the British songstress is only 24. The new mom, who was recently named the richest young music millionaire on the UK's Sunday Times Rich List , is halfway to an EGOT -- and she still has her whole life left to get there!
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