In 2007, Bengü became the winner of Show TV's singing competition Bak Kim Dans Ediyor.

The song "Yaralı" form this maxi single ranked number-one on Turkey's official music charts for seven weeks.

By topping the official music charts in Turkey for 10 weeks, she became 2014's second artist with the most number of number-one singles.

[6][non-primary source needed] Her other song from İkinci Hal, titled "Feveran", became successful on digital platforms and received a gold certification from DMC.

[7][non-primary source needed] From 2000, many of her songs, including "Korkumdan Ağladım", "Korkma Kalbim", "Unut Beni", "Ağla Kalbim", "Gezegen", "İki Melek", "Kocaman Öpüyorum", "Aşkım", "Saat 03:00", "Haberin Olsun", "Yaralı", "Saygımdan", "Sahici", "Feveran", "Hodri Meydan" and "Sığamıyorum" have become hits.

[8] Bengü's first album, Hoş Geldin, was released in July 2000 after a preparation process of about three and a half years.

Kenan Doğulu, Şehrazat, Ümit Sayın, and Yıldız Tilbe were among the musicians who helped with its preparations.

After 5 years of searching, she signed a contract with Dokuz Sekiz Müzik and under Suat Aydoğan's direction, she collaborated with Serdar Ortaç, Gökhan Şahin, Sibel Alaş and Hakkı Yalçın on this new album.

The likes of Serdar Ortaç, Adnan Fırat, Kutsi, Alper Narman, and Fettah Can worked on it.

The first music video form the album was "Korkma Kalbim", written by Serdar Ortaç and composed by Suat Aydoğan.

The song "Ağla Kalbim", which was featured beforehand as a demo on Hande Yener's album, met special interest from the fans and was used on the soundtrack of the popular series Doktorlar.

[4] In 2008, she released her fourth studio album, Gezegen, which received positive comments from fans and critics.

The works of Serdar Ortaç, Adnan Fırat, Altan Çetin and İlhan Şeşen were featured on this album.

The first music video for this album was released for the song "Gezegen", written by Serdar Ortaç and composed by Suat Aydoğan.

Her appearance as sexy girl wandering in the desert and taking revenge on her man in the music video was discussed in the tabloids for a long time.

One of the best albums of the year, its songs "İki Melek" and "Kocaman Öpüyorum"[21] ranked number-one on Billboard Türkiye and topped the charts for 7 weeks.

[27] Within 25 days of its release, the single sold 40,000 copies and made a huge contribution to Bengü's career.

[28] In early 2011, Bengü was featured on Suat Ateşdağlı's album and performed the song "Artık Sevmeyeceğim".

For her own 2011 album, titled Dört Dörtlük, she worked with the likes of Sinan Akçıl, Şehrazat, and Ersay Üner.

[30] Bengü chose "Kalbi Olan Ağlıyor", written by Sinan Akçıl, as the third song from the album to be turned into a music video by director Salih Singin.

[34] For the album İkinci Hal, she worked with Deniz Erten and Serkan Kavuşan, who wrote the songs, and Murat Yeter, Barış Özesener, Erdem Kınay and Çağatay Şen, who arranged and composed them.

Bengü also included the singles "Yaralı" and "Saygımdan", which had previously earned her numerous awards and nominations, in the album as well.

[40][41] The songs "Kuzum", "Sanki", "Geçmiş Olsun", and "Altın Çağ" were the pieces from this album for which separate music videos were released.

The lyrics of the song were written by Ersay Üner and Volga Tamöz served as the arranger for the single.

[42] In the same year, she collaborated with Bilal Sonses on the song "İçimden Gelmiyor", which was released as a duet together with a music video in April 2019.