Justin Timberlake 'Set To Marry Jessica Biel'

Justin Timberlake is to marry girlfriend Jessica Biel, according to reports.

The former N*Sync star is said to have proposed to Biel during a holiday in Rome last week. They will marry in the next 18-months.

"He is besotted with Jessica and wants to make an honest woman of her,” a source told the Sunday People.

"He planned to propose in Rome because it is such a romantic city. Jessica is over the moon and looking forward to a huge wedding. She can't wait."

Timberlake has previously had high profile relationships with actress Cameron Diaz and Britney Spears.

As previously reported on Gigwise, Timberlake has helped Biel to record her debut album.