Thicke will be on stage at the theme park on Feb. 22, one of 20 select dates of the event, which kicks off Feb. 8 and ends May 31.
Also on the schedule is The Wanted, a five-man band from the U.K. armed hits such as "Glad You Came" and "Chasing the Sun." The Wanted performs at Universal on May 10. The remainder of the 2014 Mardi Gras concert schedule will be announced later, Universal says.
Universal's Mardi Gras, included in regular park admission, features musical guests, Cajun cuisine and a New Orleans-style parade. For more information, go to UniversalOrlando.com/mardigras.