kendallbikini460.jpgWhite Sands

Kendall Jenner's modeling career continues to skyrocket ... and she's only 15!

Kim Kardashian's little sister is striking several sexy poses for Australian bathing suit brand White Sands' Summer 2012 collection.

The suits were created by Australian designer Leah Madden. Do you think these looks are too mature for someone as young as Kendall?