Star Tracks

updated 01/18/1988 AT 01:00 AM EST

originally published 01/18/1988 AT 01:00 AM EST

Following in Windsor family hoof-steps and supervised by his Aunt Anne, Prince William, 5, concentrated mightily on keeping his seat atop a pony at Sandringham in Norfolk.

Together again in New York, a reunited Sean Penn and Madonna took a New Year's Eve stroll. Later, he went out for ginger ale, pastries and logs for the—sigh—fire.

In New York to host a TV special on the Australian Bicentennial, Down Under's Helen Reddy went up and over—Central Park, that is—to party at a friend's penthouse.

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