Article continues below advertisementLeather All Day Source: @staskaranikolaou/InstagramStassie Karanikolaou donned a black leather bikini in a post on January 20.Karanikolaou showed off a sultry black leather bikini paired with heeled sandals in a series of snap shared on January 20. "good morning i posted a vlog," she captioned the steamy photo dump. Article continues below advertisementVa Va VoomSource: @staskaranikolaou/InstagramThe influencer wore a black two-piece with ripped stockings and peep-toe pumps.