Red Velvet

After multiple teasers, on August 1, the music video for "Happiness" was released, with member Yeri making a cameo, but due to the controversial imagery concerning the bombing of Hiroshima and Nagasaki and the events of 9/11, the music video was taken down, on the same day, they made their official debut stage on Music Bank. On August 4, the music video was replaced without the concerning images, and the digital single was released. Promo for "[[Be Natural"]] On October 13, the group released their first digital single, "Be Natural", which is a remake of their labelmate, S.

E. S. , song of the same title.

The song featured labelmate & member of SR14B or SMROOKIES 2014 Boys, Taeyong, and original choreography seen in a pre-debut teaser of Irene and Seulgi, which they performed as part of S. M. Rookies.

On the same day, they began promotions for the song with their first appearance on the music program M Countdown. Promo for "Automatic" On March 10, it was announced that Red Velvet will make a comeback as a five-member group, with SM releasing an introduction video to their official YouTube channel to welcome the newest member of the group, Yeri. On the same day, they announced that their first mini-album is named Ice Cream Cake, with the title song of the same name.

with the next day releasing the music video for "Automatic". On March 16, Red Velvet released the music video for "Ice Cream Cake" and the album on the following day. The song was a critical success, topping multiple charts and managed to grab their first music show win on March 27, on Music Bank, following with other wins as well.

Promo for "[[Ice Cream Cake"]] On August 2, the group had their first promotions in the United States at KCON LA at the Staples Center in downtown Los Angeles. The group participated in a fan engagement session at the Los Angeles Convention Center and performed songs, "Ice Cream Cake", "Somethin' Kinda Crazy", and "Happiness" during the concert. Promo for [[The Red (Red Velvet)|The Red]] On September 3, multiple red blocks were posted throughout the day onto their Instagram.

It was then later revealed to be a massive grid of the track list of their upcoming album The Red, announcing their comeback. The Red will focus on their vivid and strong "Red" image. The next day, it was revealed that the title track for the album will be "Dumb Dumb" and a teaser for the music video was released.

After multiple teasers, on September 9, the album came out while the music video for "Dumb Dumb" came out the day before at 10 pm KST. The group made their comeback stage on M Countdown on September 10. The album debuted at number one on the Billboard World Albums Chart and the Gaon album chart.

On December 18, the group took part in S. M. Entertainment's special winter project Winter Garden, alongside label-mates f(x) and BoA, releasing a digital single titled "Wish Tree".

Promo for [[The Velvet]] While promoting their last album at a press conference on September 8, 2015, the members and the company hinted at a follow-up album to The Red. A month later in an interview with...