[6][7] In 2009, Ergen and Oğuzhan Koç released the song "Giden Günlerim Oldu" which became a number-one hit on Türkçe Top 20.

[10] At the age of 16, Ergen earned the second place in the Cinema Star Contest organized by Hürriyet, and after finishing high school she pursued a career in modeling.

[11][12][13] Ergen made her cinematic debut in the 1988 movie Biz Ayrılamayız, which starred Bülent Ersoy.

[13] In the same year, she got a leading role in Kartal Tibet's movie Deniz Yıldızı alongside Kenan Kalav.

[10] She later appeared alongside Cüneyt Arkın in Av, and had a role in Kanun Savaşçıları together with Eşref Kolçak.

The second song to get a music video was "Sadece (Elveda)", which became a number-one hit on MTV Turkey Top 5 Chart for two weeks.

[25] The singer's new self-titled studio album, Gülben Ergen, was released in June 2006 by Seyhan Müzik.

[27] For this album, Ergen collaborated with Sezen Aksu, Şehrazat, Yıldız Tilbe, Yalın and Nazan Öncel.

In March 2008, her sixth studio album, Aşk Hiç Bitmez, was released by Seyhan Müzik.

[28] The songs "Sürpriz", "Avrupa", "Bay Doğru" and "Ya Ölümsün Ya Düğün" were chosen to be made into music videos; out of these songs, "Avrupa" was picked as a promotional single for the Turkey national football team who were participating in the UEFA Euro 2008.

During that period she also released the book Gülben'den Masallar in aid of the Education Volunteers Foundation of Turkey.

[29][30] Ergen's seventh album, Uzun Yol Şarkıları, was produced by Seyhan Müzik and released in April 2009.

[32] The album's lead single, "Giden Günlerim Oldu", ranked number-one on Turkey's official music charts.

[39] After her concert in Kuruçeşme Arena, she finished the preparations for her new album, Hayat Bi' Gün, and it was released in August.

[40] Taşkın Sabah served as the music director, while Fettah Can, Ersay Üner, Eflatun, Serdar Ortaç, and Mustafa Sandal wrote most of the songs; Tarık Ceran did the mixing and mastering.

[45] In summer 2012, Ergen revealed in a report that she was working on her new album and had taken songs from Metin Arolat and Kenan Doğulu, which she had set aside for the future.

[48] In June 2013, Ergen released her first EP album Sen. Its lead single, also titled "Sen", was written by Mert Ekren.

Taşkın Sabah and chairman of the board of directors of Ciner Holding, Kenan Tekdağ, were the witnesses of the marriage.

[59] In August, she joined TV 8's singing competition Rising Star Türkiye as a judge, together with Demet Akalın, Mustafa Sandal and Fuat Güner.

[60] The program is one of the world's first interactive voice contests, with a special application designed for smartphones and tablets, enabling the audiences and judges to vote instantly.

[65][66] The album's lead single, also titled "Kalbimi Koydum", was written and composed by Bora Duran.

[68] The second music video for this album was released for the song, "Yıkıl Karşımdan", which was written and composed by Mustafa Sandal and Emina Jahović.

[70] The fourth music video for this album was made for the song "Özledim" and was shown to the public at Ergen's concert at the Bostancı Show Center.

As the program started two months after the release of Aşk Hiç Bitmez, it allowed Ergen to promote her new album as well.

With the appearance of İbrahim Tatlıses in its second week and his ballet performance in the studio, the program achieved a great audience.