She represented China at the Miss Universe 2011 pageant in São Paulo, Brazil and placed as the 4th Runner-Up.
During her career, Roseline has done work for well-known brands such as Chanel, Bvlgari, Cartier, Gucci, Guess, Armani, FerrAgamo, Versace, Bottega Veneta, Louis Vuitton, Marc Jacobs, Chloe, agnès b., UPS and Qingdao Beer.
The training was arranged by the National Director for Miss Universe China, Yue-Sai Kan,[4] an entrepreneur, media icon and philanthropist.
[10] After competing at Miss Universe, Zilin participated in the reality show The Face on Oxygen where she was mentored by Naomi Campbell.
In June 2013, Roseline was fired from MIX Model Management for "unprofessional conduct and work ethic.