Ribeiro and his DWTS partner Witney Carson told Kevin Frazier and Nancy O'Dell that while competition on the show starts off friendly, things quickly got ruthless.
"At first, everyone's super supportive, they really want everyone to do well," Carson said. "But at the end of the day, this is a competition. So, sometimes people are sneaking around, peaking their heads in."
"Derek [Hough] comes in our room a lot," Ribeiro dished. "He will come and just kind of hang."