(Photo by Jeff Vinnick/NHLI via Getty Images)MALIBU, CA - MAY 10: Actress Julianne Hough and Brooks Laich attend the 'Open Hearts Foundation Gala' on May 10, 2014 in Malibu, California.(Photo by Angela Weiss/Getty Images for Open Hearts Foundation) WATCH: Julianne Hough Shows Off Her Killer Abs Ahead of Wedding to Brooks Laich Outside of his sister's wedding, Derek already has a lot on his plate.
(Photo by Jason La Veris/Film Magic)WEST HOLLYWOOD, CA - SEPTEMBER 15: Derek Hough arrives at the Variety And Women In Film's 2017 Pre-Emmy Celebration at Gracias Madre on September 15, 2017 in West Hollywood, California.
(Photo by Steve Granitz/Wire Image)WEST HOLLYWOOD, CA - SEPTEMBER 15: Derek Hough attends the 2017 Entertainment Weekly Pre-Emmy Party at Sunset Tower on September 15, 2017 in West Hollywood, California.
(Photo by Amanda Edwards/Getty Images)LOS ANGELES, CA - SEPTEMBER 10: Julianne Hough and Derek Hough arrives at the 6th Annual Celebration Of Dance Gala Presented By The Dizzy Feet Foundation at The Novo by Microsoft on September 10, 2016 in Los Angeles, California.
(Photo by Steve Granitz/Wire Image)BEVERLY HILLS, CA - AUGUST 02: Derek Hough arrives at the 2016 Summer TCA Tour - NBCUniversal Press Tour Day 1 at The Beverly Hilton Hotel on August 2, 2016 in Beverly Hills, California.
' at Saban Media Center on February 16, 2017 in North Hollywood, California.
(Photo by Gabriel Olsen/Film Magic)UNIVERSAL CITY, CA - JANUARY 25: (L-R) Dancer Derek Hough, singer-actress-dancer Jennifer Lopez, singer-songwriter-dancer Ne-Yo and actress-dancer Jenna Dewan Tatum attend the Photo Op for NBC's 'World Of Dance' at NBC Universal Lot on January 25, 2017 in Universal City, California.
(Photo by Jason La Veris/Film Magic)WASHINGTON, DC - DECEMBER 31: Brooks Laich #21 of the Washington Capitals and actress Julianne Hough skate during the 2015 Bridgestone NHL Winter Classic practice day on December 31, 2014 at Nationals Park in Washington, DC.
The 2015 Bridgestone NHL Winter Classic will take place on New Year's Day with the Washington Capitals playing the Chicago Blackhawks.
(Photo by Dan Mac Medan/Wire Image)LOS ANGELES, CA - SEPTEMBER 12: Derek Hough poses in the press room during the 2015 Creative Arts Emmy Awards at Microsoft Theater on September 12, 2015 in Los Angeles, California.
(Photo by C Flanigan/Film Magic)NEW YORK, NY - FEBRUARY 11: Professional Dancer Derek Hough attends Nylon and Fashion Police's 'Fifty Shades Of Grey' Release Party at Dream Downtown on February 11, 2015 in New York City.
(Photo by Mike Pont/Getty Images)LOS ANGELES, CA - AUGUST 25: E!