"I found her so wonderful," the "Baby-Sitters Club" actor said of her former co-star, who died in 2009 at age 32.
Alicia Silverstone, Paul Rudd and more also remembered their late co-star Brittany Murphy.
The actress died in 2009.
The "Hollywood Medium" claims to connect celebrities with their deceased loved ones.
It was 20 years ago that Amy Heckerling's film Clueless updated Jane Austen's Emma, with Alicia Silverstone as a Beverly Hills teenager who thinks she can fix everyone. It is an enduring favorite thanks to its iconic fashions, quotable dialogue and irresistible young performers.