A little winter weather couldn't stop put out the flame of love between Kevin Jonas and Danielle Deleasa, who married on Saturday in Long Island, New York despite blizzard warnings and pounding snow. Thankfully, the nuptials were inside at a French-style castle. PEOPLE reports that more than 400 guests braved the brutal weather in order to see the eldest Jonas and Deleasa's wedding. Aside from Kevin's famous brothers, teen queen Demi Lovato was also in attendance.