Fred Durst at the US. Launch Party for the New BlackBerry Bold held at a Private Residence. Beverly Hills, California - 30.10.08

The couple is planning to exchange vows in July (09).

The thrilled rocker-turned-moviemaker has posted a photo of his fiancee's Neil Lane engagement ring on Twitter.com, adding in a post he's "the happiest man alive!!"

Durst, who was once romantically linked to Britney Spears, says, "I've never known true love until now."

This will be Durst's second marriage - but the romantic star has been engaged three times in the past three years - reports suggest he proposed to girlfriend Leyla Bearman in January 2006 and Krista Salvatore, 20, the following July (06).

Source: WENN