Sandra Bullock's ex-husband Jesse James is a married man again after walking down the aisle with drag racer Alexis Dejoria, according to U.S. reports.

The reality Tv mechanic exchanged vows with his fourth wife in Malibu, California, on Sunday (24Mar13), reports

The pair, who became engaged last year (12), reportedly held the ceremony at the home of DeJoria's father, Paul Mitchell hair care co-founder John Paul DeJoria.

Bullock split from James amid persistent rumours of infidelity in 2010. He was engaged to celebrity tattoo artist Kat Von D until they called off their plans to wed last year.