Uncle Sam is coming for Wendy Williams. Documents obtained by RadarOnline.com show the federal government hit the beloved former television host with a tax lien over her New York condo to the tune of over $560k. The legal paperwork — dated January 17, 2024 — alleged that Williams owes $568,451.57 in back taxes on the pricey property, which she bought in 2021 for a whopping $4.5 million. The feds warned her to pay up or expect possible penalties and interest. “As provided by section 6321, 6322, and 6323 of the Internal Revenue Code, we are giving a notice that taxes (including interest and pena…