Calista FlockhartCalista FlockhartYou may have heard the rumours...

But please disregard.

Publicists for Calista Flockhart and Harrison Ford have hit back at reports claiming the couple is planning to tie the knot, Us Weekly magazine reports.

Calista's rep told the mag: "They are not engaged."

Harrison's rep confirmed: "It is not true. They are not engaged."

The latest news comes as numerous websites and magazines reported Harrison popped the question on 1st April.

The couple have been dating for five years and Calista has an adopted six-year-old son, Liam.