Dancing with the Stars Derek Hough celebrates his 32nd birthday with girlfriend Hayley Erbert 05/18/2017 Derek Hough celebrated his 32nd birthday with his girlfriend Hayley Erbert by his side. Read More RELATED NEWS Allison Holker and Stephen "tWitch" Boss welcome a baby girl into their family!Allison Holker and Stephen "tWitch" Boss having a baby girlJana Kramer posts family photo after new son Jace's birth TAGS: Dancing with the Stars So You Think You Can Dance World of Dance Ellen DeGeneres Jenna Dewan Hayley Erbert Derek Hough Julianne Hough World of Dance
