Ruby Lin Xin-ru (Chinese: 林心如; pinyin: Lín Xīnrú; born January 27, 1976) is a Taiwanese actress, television and film producer, and singer.

Lin began her career as a commercial model in 1993 and gained pan-Asian prominence for her role as Xia Ziwei in the megahit TV series My Fair Princess (1998-1999).

She followed the success with TV series such as The Duke of Mount Deer (2000), Romance in the Rain (2001), Boy & Girl (2003), Affair of Half a Lifetime (2004), Beauty's Rival in Palace (2010), The Glamorous Imperial Concubine (2011) and The Way We Were (2014).

(Taiwan Cover story Interview in 2001)"[10]The drama quickly became a phenomenal sensation, appealing to large audiences in mainland China, Hong Kong, South Korea, and Southeast Asia.

In 2000 she starred in Hong Kong TVB's production of The Duke of Mount Deer with Dicky Cheung, Shu Qi and other well-known artists.

In 2000, she appeared in three Hong Kong films - Winner Takes All, Comic King and the action movie China Strike Force with Aaron Kwok and Taiwanese actor-singer Leehom Wang.

In 2003, she starred in three series - Half Life Fate (Pinyin: Ban Sheng Yuan) (adapted from Zhang Ailing's novel Eighteen Springs), Boy & Girl and Flying Daggers.

Lin's work yielded good results; her performance enhanced her fame, earning accolades for capturing her screen character Man Zhen's 14 years of arduous life.

Though Lin focused on TV series, she continued to appear in films such as the adventure drama Life Express (with Richie Ren) and the romantic comedy Love Trilogy (with Francis Ng and Anita Yuen), which was relatively successful in China.

Lin sparked a trend towards China-Korea collaborations when she starred in the 2004 production Amor de Tarapaca (co-starring Korean actor Han Jae Suk).

[10] In the winter of 2004, after filming Magic Touch of Fate, Lin decided to study language and acting for three months in New York City.

After Paris Sonata, she selected the TV drama Sound of Colors (a remake of Jimmy Liao's book) as her next work, portraying a blind radio DJ.

[29] At the end of 2006, Lin bid farewell to her management company Zhong Jie, after a 10-year relationship, and on November 30, 2006 ceremoniously signed with Huayi Brothers Film and Television group for a reported $10 million.

In late 2007, she co-starred as Daji with Ray Lui in The Legend and the Hero 2 (also known as Fengshen Bang), one of the major vernacular Chinese novels written during the Ming dynasty.

In July 2009, Lin starred as Empress Dou in the Chinese big-budget historical fiction television drama Beauty's Rival in Palace.

[35] When the series premièred on a Shanghai TV station in March 2010 with the highest rating of the year, Lin got positive reviews from audiences and critics.

It was reported that Beauty's Rival in Palace sold well in the Korean and Japanese markets, due to Ruby Lin's unwavering popularity in Asia.

The play is based on the 1996 Hong Kong romantic film Comrades: Almost a Love Story, which starred Maggie Cheung and Leon Lai.

She received critical acclaim for her performance by audiences and media - "Without a doubt, Ruby Lin's wonderful range of emotions really steals the show.

"[39] After the success of Beauty's Rival in Palace, Lin was cast a starring role for well-known Chinese TV series by director Gao Xixi.

She played a married couple in the show with Christopher Lee, where their marriage started to fall apart due to a lack of communication and personality differences, and an unexpected accident changes their life entirely.

"[50] In addition, Youku Tudou Inc, the largest video-sharing website in China, bought copyright of TV series and films that were produced by Lin.

[55] Except for some public appearances, Lin spent much time doing pre-production work for the drama Singing All Along, based on Li Xin's romantic novel series Xiuli Jiangshan.

[62] She played an affectionate mother who is willing to put her life on the line to protect her daughter in mystery-thriller The Devotion of Suspect X , adapted from Japanese author Keigo Higashino's award-winning novel with the same title.

[65] In 2020, after stay in Malaysia almost 2 months for new film Miss Andy, Lin starred Taiwanese Netflix original series The Victims' Game as special guest.

The series dominating Netflix's Chinese language programming list for many consecutive days, achieving a high score of 8.0/10 on China's Douban website.

The reviewer for Asianfilmstrike said "The series’ace in the hole is Ruby Lin, who's only a presence in the final episodes, and in a role we dare not reveal: she sheds her smooth and pretty image completely, in an impressively somber and chilling turn.

Taiwan media reports that the company will deal with all aspects of the actress's career, including acting, singing and film roles.

After she was selected as spokesperson for brands such as Mentholatum and Pantene, Lin was ranked second on the China Top Ten Most Popular Commercial Model list in 2005.

[104] Ruby Lin has been a spokesperson for such brands as Mentholatum (2000–2003), Coca-Cola (2000), Christian Dior watches (2006–2007), ESPRIT (2001), Liuhengsei casual wear (since 2001), VOV Cosmetics (since 2006), China Mobile (since 2007), Pantene (2003–2006), Sofie Pantiliners (2002–2005), D&D jewelry (2001–2005), Japanese company Glico, Oriks (since 2011), and HTC (2015), ReFa CARAT (since 2017) and Shiseido Elixir (since 2017).