Kylie Jenner - 18
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The UNSTOPPABLE Generation… 8 Of The Most POWERFUL Under-21s On Planet Earth!
6. Kylie Jenner - 18
Kylie Jenner is something of an entrepreneur - with clothing and hair extension lines under her belt, her own app and more, she's also just launched her own 'lip kit' consisting of a lipgloss and lip liner combo, which sells out within seconds of being restocked.