Dean Sheremet is making his split from LeAnn Rimes official. The former backup dancer filed for divorce from the singer in papers filed Dec. 17. He cites irreconcilable differences for the split. Sheremet, 29, is asking Rimes, 27, to pay attorney fees and spousal support.

In October, the couple released statement announcing their split amid reports that LeAnn became romantically involved with actor Eddie Cibrian when they co-starred in the Lifetime movie Northern Lights earlier this year. Cibrian filed for divorce from model wife Brandi Glanville in August.

Dean and LeAnn wed in 2002 when the country singer was 19.