This year, Kylie Jenner celebrated her first Halloween as an adult. The 18-year-old reality star dressed up in a sexy 'Xena, The Warrior Princess' costume. Matched by her pals, Jenner's friends wore cute ninja outfits, and posted a photo on her Instagram,

 my ninjas

A photo posted by King Kylie (@kyliejenner) on Oct 31, 2015 at 11:04pm PDT

A photo posted by King Kylie (@kyliejenner) on Nov 1, 2015 at 10:46am PST

As seen on the photo above, Jenner's killer curves and some intense cleavage action were on full display. While boyfriend, Tyga, 25, went as Scorpion from Mortal Kombat.

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While you may think that is the only Halloween costume Jenner wore - think again. The day before Halloween, the youngest Jenner sibling wore an all-white ensemble - white hooded fur crop top and matching mini skirt with fur trims, paired with white calf-length fur boots. Jenner also wore a blonde wig to complete the look.

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A photo posted by King Kylie (@kyliejenner) on Oct 31, 2015 at 9:38am PDT