Celebrity Check-ins: 3 Credit: Usher/Instagram Gulfstream Park “Gulfstream Park, it’s going down” is what Usher said about watching the Pegasus World Cup Invitational from the private suites and luxury boxes here in January 2017. He added, “This is a once in a lifetime experience.” Celebrity Check-ins: 1 Credit: Usher/Instagram Mardi Gras Casino Cheryl Burke thanked Mardi Gras Casino “for a great time” while taking in the scenic view here in December 2015.