"We have enjoyed more than a decade of a very loving, loyal and happy relationship, but after much soul searching, we have decided to end our marriage," the couple told People in a statement. "We are committed to staying friends and dance partners. We have immense respect for each other as people and performers."
Trebunskaya has appeared on 10 of the 15 seasons of DWTS. She most recently partnered with Drew Lachey during the current All-Stars edition, but the pair was eliminated last week
Roberts danced on seven seasons of the ABC hit, last appearing on Season 9 alongside Macy Gray. He is best known for partnering with Marie Osmond during the fifth season, when the pair finished in 3rd place.