Donnie Wahlberg and Kim Fey by Frederick M. Brown/WireImage.com
and his wife of nine years apparently don't have the "right stuff" anymore.
According to People
, New Kids on the Block singer-actor Wahlberg and wife Kim Fey filed for divorce on Aug. 13, citing irreconcilable differences. The couple married in August of 1999, but have been separated since January. Fey is seeking sole legal and physical custody of the couple's two sons - Xavier, 15, and Elijah, 7 - as well as spousal support and attorney's fees from Wahlberg. Wahlberg's rep said he and Fey "remain friends." - Adam Bryant