DOMINIC MONAGHAN and EVANGELINE LILLY at the World Premiere of ABC TV show 'Lost'. Honolulu, Hawaii - 2004

The couple have been trying to keep their romance private to avoid too much pressure on their relationship, but family members confirm the pair will wed next summer (07).

A relative of Monaghan tells British newspaper the News Of The World, "They decided the time was right and are very much in love. It will be a summer wedding."

Source: WENN