Recently, the group has been noticed by the public eye in which some of the members have new hairstyles and colors that may indicate their new concept.

In addition to these obvious changes, Kyle Hanagami, a professional choreographer who helped create the choreography to Red Velvet's some of the biggest hits like "Red Flavor" and "Russian Roulette", posted a mysterious tweet that seems to be hinting at the group's comeback. 

Last month Kyle tweeted,

Choreographing a new kpop music video today... this is one of the best tracks I've ever heard. Ever.

— Kyle Hanagami (@KyleHanagami) September 18, 2017

— Kyle Hanagami (@KyleHanagami) October 14, 2017

Lastly, the group was spotted in Los Angeles, California recently where they were filming for something with some people saying it's a music video. Although nothing has been confirmed yet, speculations for their comeback has definitely gotten the attention of the fans.

Would you like to see Red Velvet make a comeback soon?