
The group made their official debut stage on the music program Music Bank. Its music video was released on August 1, reaching 1 million views within 11 hours, and becoming the second most viewed K-pop video worldwide in August 2014. 3 in Singapore and Taiwan, No.4 in Malaysia, No.5 in Thailand and No.9 in Hong Kong. The song made its way up to the number one spot on Genie's real-time chart, as well as top 10 of various other ones. Red Velvet's debut single, "Happiness", was digitally released on August 4, 2014, through various South Korean online music charts.

Joy was the only member who wasn't apart of SM Rookies.Ģ014: Debut, "Happiness" and "Be Natural"

Four out of the five members of Red Velvet were previously part of SM Entertainment's pre-debut team, SM Rookies. In 2012, both Joy and Wendy were casted through the SM Global Auditions. Seulgi was the first member to join the company through an audition in 2007.

