With five months remaining before Mardi Gras rolls around again in New Orleans, the Krewe of Endymion has announced its celebrity lineup.

One of the city's biggest carnival krewes says Adam Levine and Maroon 5 will serve as celebrity grand marshals for the 2012 parade.  Officials with Endymion say other riders will include country music artists Big & Rich and Gretchen Wilson and CNN's Anderson Cooper.  Endymion rolls on February 18th.