Slate has been keeping the party going on W. 21st Street in Chelsea since 2000. The newly transformed hotspot celebrated its 20th Anniversary Thursday night with a blowout bash. Special guests including Real Housewives of New York star Luann de Lesseps, Jersey Shore star Vinny Guadagnino, Bravo’s Summer House stars Lindsay Hubbard and Luke Gulbranson, former Ms. Venezuela International Luisa Diaz, and Mets great John Franco joined The Lure Group CEO and Slate’s owner
