Emma Watson has updated her website with a new message, stating that she started filming Half-Blood Prince last week. In particular she mentions shooting a scene where Hermione gets jealous of Ron & Lavender kissing! Emma says she's excited to be back on set, especially with all the new faces and she's looking forward to spending time with family and friends over the holidays.

The sixth film will be released on Nov. 21st 2008.

Source: EW.net