John Legend, Kelly Rowland, Kourtney Kardashian others attend Balthazar Getty's 41st birthday

Kourtney Kardashian posted several photos of herself partying the night away for actor Balthazar Getty's 41st birthday, held at The Nice Guy in Los Angeles with John Legend and his pregnant wife-Chrissy Teigen, Kelly Rowland, Channing Tatum's wife- Jenna Dewan-Tatum, Minka Kelly, John Legend and Kelly Rowland and others. More photos after the cut....