Singer Idina Menzel and actor Taye Diggs have secretly got divorced a year after announcing their spilt.

The Frozen star finalised her divorce last month (Dec14), following a 10-year marriage to the former Private Practice actor.

They first met while performing in the original Broadway production of Rent in 1995 and married in January, 2003.

The couple announced the separation in December, 2013 but according to documents obtained by Tmz.com, no further action was taken until November (14) when Diggs filed the divorce petition in New York, and it was finalised the following month.

A source tells the website the split remains amicable and Menzel and Diggs have agreed to share the duty of raising their five-year-old son, Walker.