Photos: Hot 107.9 Birthday Bash included Nicki Minaj, 2 Chainz, Migos and Lil Wayne

This year's Hot 107.9 Birthday Bash billed itself as a "pop-up" edition. While acts including Gucci Mane, Migos, Fat Joe and Remy Ma, B.o.B. and D.R.A.M. were among the announced performers,   a slew of guests such as Lil Wayne, Nicki Minaj and Lecrae surprised the sold-out crowd at Philips Arena during the Saturday night show.

Photographer Robb Cohen was there to document the marathon concert.