When comedian Chelsea Handler needed a guest host to fill in on her hit chat show Chelsea Lately, the funnylady knew another hilarious blonde who'd be perfect for the job! Tony and Emmy winner Kristin Chenoweth hopped in to Chelsea's chair to guest host the December 4 episode and gossip about the latest celebrity buzz. Chenoweth and a slew of comedians chimed in on Hugh Hefner's on-again, off-again engagement with Crystal Harris, a young woman 60 years his junior. "In 2001, Crystal who is 26 – no judgment, only love – called off their wedding day five days before she was to marry 86-year-old Hefner. I wonder if their registry includes a coffin," joked Chenoweth. Watch Cheno lead the show's roundtable segment below!