Justin Timberlake has proposed to longtime girlfriend Jessica Biel.

The 27-year-old “SexyBack” star popped the question to Jess, 26, on the last night of their recent Roman getaway, according to a new report from Britain’s People Magazine. .

“He is besotted with Jessica and wants to make an honest woman of her,” says a source close to Justin.

“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.”