"She was looking for a guy like him," a source told the publication. "She wanted a comedian who 'gets' her."
The "Parks and Recreation" actress announced last September she had split from "Up All Night" actor Will Arnett, her husband of nine years and the father of her two young children.
Kroll is the creator and star of Comedy Central's "Kroll Show!"
2014: The Year in Music [PHOTOS]