Adrianne Reece / E! Online: Derek Hough Welcomes First Baby With Wife Hayley Erbert - Derek Hough and his wife Hayley Erbert announced the birth of their first baby, Everley Capri Hough, in a heartwarming Instagram post: "Every step of our lives has led us to you." - Derek Hough and Hayley Erbert are twirling in bliss.