Source: Bang ShowbizHeidi Klum's children are "everything" to her.The 39-year-old model split from husband Seal earlier this year and is currently dating her bodyguard Martin Kirsten but Heidi insists the most important people in her life will always be her kids Leni, eight, Henry, seven, Johan, five and two-year-old Lou.She told Us Weekly: "My children are everything for me. I've always wanted to have a big family. And I'm fortunate enough to have four."Heidi also revealed she and the kids are thinking of going to Disneyland for the Christmas holiday season but did not mention if Seal would be included in their plans.She said: "We're going to stay here in Los Angeles possibly. We're going to get a big Christmas tree and we might go to Disneyland. We go all over the place."Heidi recently insisted nothing has changed since she began a relationship with Martin in September.She said: "Nothing has changed for us. Not for the kids and not for anyone around us. It's not different for anyone than it was before."