The series was re-aired in 2007–2008 through Kapamilya Channel (now S+A International).
Bituin was famously known for the line that Nora Aunor belts out in a high caliber dramatic scene: "Nasaan Nasaan si Bernadette at Melody?" ("Where, where is Bernadette... and Melody?") The line was repeated in movies, TV series, and spoofed in gag shows, sitcoms, and comedy bars.
It was also known to have the highest-rated episode with The Diva vs Supernova concert. It was aired three days after the initial concert with more than a 48.7% audience share.
In 2007, TFC ABS-CBN international affiliate KPTV re-aired the whole series from September 2007 to February 2008.
The series also had a crossover with Kay Tagal Kang Hinintay in 2003 in various episodes. In early March 2012 - June 2012 the series had a 2-hour back to back episodes shown weekdays internationally through Cinema One Global part of its Drama On Demand hour of requested Classic TV Programs as request by television viewers commercial free and uncut.
The series also was noted to have singers Carol Banawa, Kuh Ledesma, and Jessa Zaragoza and Josh Santana in regular cast objectives the soap also centered on telenovela plot twists.
Laura Sandoval and Carmela Gaston are half sisters who grew up with Carmela's mom (Doña Virginia Gaston) not treating Laura right. When they grew older Carmela doesn't marry while Laura marries Badong. After their second child, she found out he had been cheating on her.
As a single mother she was struggling to support her two daughters Melody and Bernadette. When her eldest Melody becomes sick, Laura goes to Carmela asking for help, who says that she will help if she hands over Bernadette so she may raise her as her own. With no one left to turn to Laura does it.
Carmela left for the US to raise Bernadette and soon returns as a singer. In a concert, Laura knew their whereabouts. The kids grow up not knowing they are sisters. Melody notices that Laura is much closer to Bernadette, such as Laura teaching Bernadette to sing when she forbids Melody to do so. Bernadette becomes a star by recording Melody's voice and claiming it as her own. Both soon become singers. Melody finds her father and wins the heart of a young man named Dante.
In the end they all become a family: Badong and Laura find their love again, Carmela is no longer jealous of her sister, Doña Virginia gave the rightful will of her husband to Laura, Melody is a great singer and marries Josh Santana who is her singing partner, and Bernadette becomes a famous composer, especially the song she composed for her sister as a way to show she was sorry called "Sana Bukas"; she marries Dante, whom she fell in love with accidentally when she tried to help him win Melody's heart.
This was Nora Aunor's acting comeback after her shortlived stint on the series "Nora" a drama anthology that launched the second incarnation “Star Drama Anthology” the series also launched the careers of Carol Banawa and Desiree Del Valle who played supporting roles in various TV and films. Senior stars such as Chat Silayan, Ronaldo Valdez and Celia Rodriguez and Cherie Gil played big roles in the series varying away from films.
Ratings
Its highest rating was 48.7% for the "Ultimate Showdown: The Diva VS The Supernova" of Melody and Bernadette at the Araneta Coliseum, while the lowest was 29.5%, its fifth episode.
