Jessica held a joint concert with American rapper Ja Rule at the Clash in Cotai II tournament in the Venetian Macau on Nov. 23. It was her first performance since she left idol group Girls’ Generation in September.The K-pop singer also uploaded five photos on her Weibo account on Sunday. The photos featured her with other celebrities at the boxing tournament.“Many thanks to Reggie Martin and the Venetian Macau for a wonderful time! Rocking it with Ja and watching Manny (Pacquiao) do his usual winning thing: simply awesome!” the singer wrote.She boasted her distinct fashion sense with a white blouse and checker-print dress, posing against a photowall there.Jessica has been designing for her own fashion brand BLANC & ECLARE since its launch in August.By Park Gyu-oh ()