On 20th of August 1999, Donnie got married to Kimberly "Kim" Fey. As a loving husband and wife, they welcomed two children from this married life. After being married for about a decade, they finally got divorced on 18th of August 2008 citing irreconcilable differences.
While Donnie was on the set of the show Watch What Happens Live in March, he met an American model and a TV show host Jenny McCarthy. They began their romantic love life in July 2013 and they finally got engaged on 16th of April 2014. They got married on 31st of August 2014. His nationality is American. His younger sibling Mark Wahlberg is also an American actor.
When Donnie was aged 15 years old, he formed an American boy band New Kids on the Block. He formed this band with Jordan and Jonathan Knight, Joey McIntyre and Danny Wood. Together they released several albums like New Kids on the Block, Hangin' Tough, Step by Step and so on. Besides being a musical artist, he is also an actor and has been pursuing his acting career since the mid 1990s. In 1996, he appeared in the movies like Bullet, Ransom and Black Circle Boys. In 1999, he starred the role of Vincent Grey in an American supernatural horror-thriller film The Sixth Sense. He is well acclaimed for starring the role of Detective Eric Matthews in an American horror film Saw II, Saw III, Saw IV and Saw V. His net worth is said to be around $20 million.