According to TMZ, Sydney recently filed the paperwork, citing irreconcilable differences.
Billy and Sydney got married back in 1998 and were together for almost 20 years.
They share three children – 13-year-old Lillie, 17-year-old Mary and 19-year-old Josie. Sydney is asking for joint legal and primary physical custody of their two minor children.
She is also reportedly seeking spousal support.