Lotte Duty Free has announced the amazing lineup for their annual customer appreciation event, the Lotte Family Festival, and it is full of some of K-Pop's hottest stars!

The three-day music festival is scheduled for September 13 to 15 at Seoul's Jamsil Sports Complex and will involve 28 music acts.

The first day of the event will focus on popular Korean idol groups including 2PM, 2AM, SISTAR, Teen Top, Boyfriend, miss A, VIXX, Girl's Day and 100%. R&B singers Ali and Ailee will also take part in the September 13 show.

Each act is expected to sing at least five songs in mini-concert format.

The Lotte Family Festival's second day will be dedicated to OST songs from popular Korean television dramas. The three-hour show will showcase original soundtracks produced by Oh Joon-sung who is responsible for popular many series including Boys Over Flowers, Full House, City Hunter, and The Faith.

The September 14 performance will include a 60-piece orchestra and include performances from the country's top OST singers such as The One, Shin Yong-jae, and Heo Young-saeng.

The festival's finale on September 15 will celebrate the Korean music industry's most beloved indie musicians.

Deli Spice, 10cm, Kiha & The Faces, OKDAL, and Annyeongbada have all confirmed their participation in the exciting event.

The Lotte company frequently uses the hottest hallyu stars as models for their promotional advertisements and the Lotte Family Festival will also include a three-day flea market selling the styles seen worn by the celebs.

Profits from the flea market will be donated to The Beautiful Store, a respected social enterprise.

This year's festival is the largest since Lotte began the event in 2006 and will also be the first time held inside Seoul's city limits.