Red Velvet are already bullying new member Yeri by smacking her in the head. Remember this for the netizen "evidence" compilation later when Yeri decides to get her nails done instead of performing. A video posted by 레드벨벳(Red Velvet) 공식 인스타그램 (@redvelvet.smtown) on Mar 13, 2015 at 5:35am PDT