Briefly dated Rachel Hunter after her separation from Rod Stewart.

Attended the TV Week Logies on May 6th 2007 as an international guest for Channel 10. The Logies were held in the Crown Casino Complex in Melbourne, Australia. Michael was accompanied by his niece, 'Alexandra Breckenridge'.

Has one son, August Manning, born in 1996, with ex-wife Amelia Heinle.

Son of Michael Manning Weatherly, Sr., who made millions as the importer of the Swiss Army Knife, and Patricia, a hospital administrator. He has a brother, Will. His father cut him off from his inheritance when he decided to pursue acting.

Uncle of Alexandra Breckenridge from Dirt and She's the Man (2006).

Attended Fairfield Country Day School in Fairfield, Connecticut.

Played in a band to supplement his acting in the early days of his career - he plays guitar and piano. He sold shoes, delivered pizzas, and dabbled in songwriting. He also worked in the videotape library of ABC, a big part of his job there was to log and cart around one-inch reels of tape.

Has 5 sisters and 1 brother.

Was engaged to "Dark Angel" (2000) co-star Jessica Alba.

He attended Boston University, American University in Washington DC, American University in Paris (1 semester) and Menlo College (studied communications) before dropping out of college to pursue an acting career.