During the evening, guests caught the star, who voiced the role of Meg in Hercules, at a '90s Sing Along at The Golden Horseshoe leading attendees in a performance of her iconic song "I Won't Say ...

Hercules voice actress Susan Egan stunned guests ... "We so happened to stumble in the sing-along right before @disney royalty @iamsusanegan graced us with her beautiful voice and presence!" ...

Several videos shared Tuesday by attendees at the Anaheim, Calif., theme park's '90s Nite event showed Egan, 55, who voiced the titular character's love interest, Meg, dancing to Britney Spears' ...

Meg in 'Hercules'; Meg voice actress Susan Egan at D23 in 2022 ...