Jowls Begone

FORMER Vogue beauty Arabella Churchill - the granddaughter who, at 50, is starting to resemble Sir Winston - is preparing to get a facelift live on the Internet. Beverly Hills plastic surgeon Dr. John Shamoun has told her she must lose 30 lbs. and give up alcohol and smoking first. Arabella says she promised herself the operation after a brush with death in February when she almost drowned during a whale-watching vacation in Hawaii.