The stage and screen star wed entrepreneur Jason Landau.
"This means a new beginning for us," Jackson told People. "It was love at first sight and this is just the culmination of that." Jane Lynch, Jesse Tyler Ferguson, Leah Remini and Alicia Silverstone were among the 200 guests at the interfaith ceremony.
Jackson was previously married to Monte Lapka.
Jackson is also the latest performer to join the starry roster of talent on hand for Playbill Travel's first resort takeover at the five-diamond St. Regis Bahia Beach Resort and Golf Club in Puerto Rico, Dec. 8-15. Visit PlaybillTravel.com for more information.