(Cover) - EN Showbiz - Johnny Knoxville is believed to have married his long-term girlfriend Naomi Nelson yesterday.

The 39-year-old Jackass star real name Phillip John Clapp reportedly proposed to Naomi earlier this week and the couple picked out an engagement ring from a Los Angeles jewellers on Wednesday. Naomi fell in love with a 2.5 carat Edwardian band from the exclusive store Platt Boutique Jewelry.

"Naomi was drawn to this ring because it is unlike anything she had seen - feminine, delicate and detailed," jeweller Larry Platt revealed.

Once Naomi had accepted Johnnys proposal the couple decided to tie the knot right away.

"They actually picked out Naomi's engagement ring two days ago and they're getting married today!" A source told Life & Style magazine yesterday.

It is not yet known where the nuptials took place and Johnny has yet to comment on the reports.

Naomi and Johnny have been dating for just over two years. They have a nine-month-old son, Rocko Akira Clapp, together.

Johnny was previously married to Melanie Lynn Cates for 13 years and they have a teenage daughter, Madison, together. (C) Cover Media