GLIMPSES

Lena Horne's one-woman Broadway show, 'Lena Horne: The Lady and Her Music!', which was supposed to close July 12, has been extended through Sept. 5 ... Bob Hope and Princess Grace of Monaco will be among the guests at the Diamond Jubilee for the Overlook Hospital Foundation at Birchwood Manor, Whippany, N.J. Hope had bowed out of a scheduled benefit for the hospital in 1977 because of the sudden death of Bing Crosby and promised to return at the next opportunity ... Bob Barker and Elke Sommer, with special guest Peter Allen, will emcee the 1981 Miss Universe Beauty Pageant, to be held for the first time in New York City.