2007:Elly Is So Hotedit

On February 26, 2007, Seo In-young released her first solo album,Elly Is So Hot. Despite being known as the 'sexy dancer' of Jewelry , she stated she wanted to move away from her strong dance image and become a softer, elegant and more sensual entertainer. The first single from the album was "I Want You" ("너를 원해"), which was written, composed, and produced by Jung Yeon-joon of Uptown .

The song, which has a mix of Latin and R&B styles, was promoted as a dance remix near the end of her promotional activities.

2008:Elly Is Cinderellaedit

Seo In-young in 2008

In February 2008, it was announced that the singer would be participating in the popular MBC variety showWe Got Married. She was paired with Korean urban artist Crown J. The couple was later coined as the 'Ant Couple'. The couple later released a digital single titledToo Much, which was eventually used as the theme song for the show. A club remix version was released on her second solo album.

. The music video of the lead single,Cinderella, was composed by PSY . The song continued her success as solo artist.

2009: Departure from Jewelryedit

Both members left the group after finishing promotional activities for the songSophisticated.

2010:Lov-Elly&Ellythmedit

On June 6, 2010, her third album,Lov-Elly, was released. (This was her first release since leaving Jewelry .) The album, which consists of all ballads, showed a soft, but powerful side to the singer.

"Goodbye Romance" experienced enormous chart success and eventually peaked at #1 on the music program M! Countdown , earning the singer her first solo award.

In July 2010, the singer joined the SBS reality showHeroes. She received a lot of negative press for her feisty and headstrong persona.

. It includes the lead singleInto The Rhythm.

2011:Wash&Brand New Ellyedit

In early 2011, the Jongno branch of Cheil Industries named Seo In-young as the creative director of their imports division. She worked with French luxury brand 'Nina Ricci' to design a limited edition handbag line named 'Nine Ricci x Seo In-young'.

On May 6, 2011, Seo In-young released her second single albumWash. The emotional song showcased her exceptionally powerful vocals. The music video was said to be filmed in Thailand, with a concept of multiple emotions, such as an elegant woman underwater and a sad woman in front of a mirror. Star Empire Entertainment released a music video teaser and a behind the scenes video, however, no official music video was released.

On August 20, 2011, the singer participated in the popular television showImmortal Songs 2. The episode, dubbed 'female vocalist special', showcased seven of South Korea's top female vocalists. Seo In-Young's rendition ofJust Like The First Timewon the hearts of viewers and was declared as the best performance of the episode.

On October 4, 2011, two comeback photos of the singer were released ahead of her official comeback. In early November, she pre-released the songLoser. On November 13, 2011, the singer officially released her third album,Brand New Elly, with the lead singleOh My Gosh.

2012: IY Company,ANYMORE&Let's Danceedit

On May 18, 2012, it was announced that Seo In-young would be establishing her own private entertainment company, IY Company. She is no longer associated or under contract with Star Empire Entertainment .

On August 13, 2012, Seo In-young became the main MC of 'SBS E! - Star Beauty Show'. The show focuses on beauty and fashion tips.

The full-length music video was released two days later. The single quickly experienced enormous success, securing the #1 spot on every single Korean music chart, achieving the coveted 'all-kill'.

On October 18, 2012, Seo In-young took to the stage and began promotions on M! Countdown, where she performedANYMOREandLet's Dance.

2013:Forever Young&Love Meedit

In early 2013, Seo In-young became a main voice coach forVoice Korea Kids, a spin-off ofThe Voice of Korea. The show aired from January 4, 2013, to February 1, 2013.

Forever Young. The album is considered Seo In-young's return to ballads and contains the promotional single "Let's Break Up."

The single and music video were officially released the following day."Love Me" was instantly met with positive reviews and quickly climbed digital charts.

2016:Back to Star Empire Entertainment, Comebackedit

Studio albums

• Elly Is So Hot(2007)

Extended plays

• Elly Is Cinderella(2008)
• Lov-Elly(2010)
• Brand New Elly(2011)
• Forever Young(2013)
• Re Birth(2015)
• SIY(2015)

Drama

• 2009:Style(Cameo)
• 2011:Hooray for Love(Cameo)
• 2016:One More Happy Ending(Leading role)

Variety

• 2008:Music Bank(Main MC; August 29, 2008 - January 9, 2009)
• 2009:We Got Married(S1; EP 1-41)
• 2009:Seo In-young's Kaist
• 2009:Seo In-young's Best Friend
• 2010:Heroes(EP 1-40)
• 2012:Star Beauty Show(Main MC)
• 2013:The Voice Kids Korea(Coach)
• 2013:Immortal Songs 2
• 2015:King of Mask Singer(Daebak Change 1+1 ; EP 9)
• 2016:Real Men(cast member, NavyNCOspecial)
• 2016:With You(S2; 78-present withCrown J)

Mnet Asian Music Awardsedit

Seo In-young's wins on Korea's televised music shows:M! Countdown on Mnet channel.

M! Countdownedit

1. [공식입장] 소리바다 측 “서인영과 전속계약 체결”
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17. "서인영 '나를 사랑해줘' 차트 점령, 리스닝뮤직 승부수 '통했다'". star news. October 4, 2013. Retrieved October 4, 2013. 
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19. http://www.allkpop.com/article/2016/03/seo-in-young-is-going-back-home-to-star-empire-entertainment
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