John Tesh and Other Co-hosts Reunite with Mary Hart For Her Final Show

For Mary Hart's last day at ET, famous faces from her past joined in to help her celebrate.

Her former co-hosts John Tesh, Robb Weller and Bob Goen joined her for the big event, while fellow former co-host Ron Hendren taped a special message.  The ET staff also came together giving Mary a fond farewell that included champagne, a band, gourmet food and an appearance from Natalie Cole, who serenaded Mary with "Unforgettable."

Mary Hart's last day at ET is May 20, after hosting for 29 seasons.