Dancing with the Stars S21 br Cast Photo Shoot Video Soundbites: Carlos PenaVega br br 61. Carlos PenaVega & Witney Carson, on being the first married couple on the show (1.00) br 62. Carlos PenaVega & Witney Carson, on seeing his wife Alexa rehearse (0.54) br 63. Carlos PenaVega & Witney Carson, on performing live (0.38) br 64. Carlos PenaVega & Witney Carson, on what he will bring as a dancer (0.38) br 65. Carlos PenaVega & Witney Carson, on what made him want to be part of the show (1.03) br 66. Carlos PenaVega & Witney Carson, on the costumes (0.33) br br Posted: 09.10.