Rihanna calmly left the club as police following reports of a shooting Reuters/Mario Anzuoni

Pop singer Rihanna was forced to leave a Hollywood nightclub after a shooting. The 27-year-old was with friends on Wednesday (23 December) at Project Los Angeles, a popular celebrity hangout.

A fight erupted among 'a few guys' outside the entrance and one of them pulled out a gun and fired a single shot. The shot was heard inside the club causing a commotion, TMZ. It's not known what caused the argument among the men in front of the night spot.

Following the incident, police arrived at the scene and handcuffed five individuals although no one was placed under arrest.

Rihanna, who was accompanied by fellow recording artists Travis Scott and Ty Dolla $ign, appeared calm as she walked out of the club. She was photographed wearing a black hooded jacket over a grey top along with bright red lipstick as she strolled around to the door of a waiting black SUV parked at the curb.

Project Los Angeles which opened in the summer of 2014 is an exclusive Hollywood club which caters mainly to the A-list crowd. The club has 8,000 square feet of space, light panels, projection televisions and laser display around the DJ booth.