Kelis dismisses rumors about dating Bill Murray, calls speculation unimportant.
Report from US Sun sparks confusion and humorous reactions on Twitter.
Neither Kelis nor Murray confirm romantic relationship publicly.
Kelis responds vaguely to Instagram comment about Bill Murray allegations.
Kelis previously married to photographer Mike Mora, who passed away in 2022.
Kelis shares emotional Instagram post about impact of husband's death.
Murray's second wife Jennifer Butler died in 2021; they have four children.
Murray, 72, has two children with his first wife Margaret Kelly, divorced in 1996.