City Girls Drop Hilarious Video for "Act Up" Featuring Lil Yachty

City Girls continue their momentum by dropping the music video to their hit single "Act Up." The Miami-based hip-hop duo -- who have been Billboard's No. 1 Emerging Artists for 24 weeks in a row -- finds Yung Mami stunting in her city while labelmate Lil Yachty reports on participants who partake in the "Act Up" Challenge during spring break. Watch the video above. If you remember, Yachty revealed in April during an interview with Kerwin Frost that he wrote "Act Up" with the exception of JT's la...