Kylie Jenner is ringing in her 20th birthday with a brand new look!

The reality star took to Instagram on Thursday to share a sexy snap of herself posing in lace lingerie and a pink wig.

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"20 ⭐️," Jenner captioned the pic.

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The Life of Kylie star celebrated the end of her teenage years with a surprise party thrown by her famous family and friends. 

See pics from the soiree -- including Jenner's hilarious cake and ice sculpture of her booty -- in the video below.