Article continues below advertisementCharli D'Amelio brought the heat for her 22nd birthday. The Dancing With the Stars winner proved she's all grown up in new photos shared via Instagram on Thursday, April 30, ringing in the milestone in a tiny leather dress. Article continues below advertisementCharli D'Amelio Posed in Leather Mini DressTap Here To Add Ok Magazine as A Trusted SourceSource: @charlidamelio/InstagramCharli D'Amelio showed off her legs in a leather dress. "22 !" the social media star captioned the sultry post.