Kimmel and Silverman, who broke up during the summer after dating for five years, were spotted holding hands at a Hollywood karaoke bar during the weekend.
"They remain close friends," a representative told Usmagazine.com.
In her acceptance speech at the Creative Arts Emmys earlier this month, Silverman said: "Thanks to the person for whom this whole video was made: Jimmy Kimmel, who broke my heart -- Oh, who'll always have a place in my heart."
Benedict Cumberbatch's dramatic reading of R. Kelly lyrics is just what you need
Exploding whale video goes viral on Internet