LOS ANGELES, CA - OCTOBER 12: Actress Alexa PenaVega (L) and dancer/TV personality Derek Hough attend "Dancing with the Stars" Season 21 at CBS Televison City on October 12, 2015 in Los Angeles, California. (Photo by David Livingston/Getty Images)
LOS ANGELES, CA - OCTOBER 12: Actress Alexa PenaVega (L) and dancer/TV personality Derek Hough attend "Dancing with the Stars" Season 21 at CBS Televison City on October 12, 2015 in Los Angeles, California. (Photo by David Livingston/Getty Images)