12 Celebrities Who Prove Little Sisters Are the Coolest

Older sibling: Paris Hilton

When it comes to the Hilton sisters, it's sometimes hard to believe that Nicky is, in fact, younger than Paris — her casual style and laid-back attitude definitely pale in comparison to Paris's flashy, colorful personality, and she often comes across as the more mature and focused of the two. But because younger siblings tend to seek out ways to be different from the kid who came before them, it sort of makes sense that Nicky would take the quiet, understated route rather than walk the same over-the-top sexy road as Paris.