Flo Rida, the Internet: Hot Tickets Rapper Flo Rida headlines the Verizon Center with Cee Lo Green on July 25. Tickets go on sale now through Ticketmaster for Flo Rida, Cee Lo Green, Kirko Bangz and Karmin July 25 at Verizon Center ($45-$105). Tickets go on sale Thursday at 10 a.m. through Ticketfly for the Internet and Kilo Kish Aug. 4 at U Street Music Hall ($15).