Reese and Jake: We Are Not Engaged
08/03/2008 AT 06:20 PM EDT
"They are not engaged, getting married or any of the reports," the reps tell PEOPLE exclusively, calling the reports "lies."
Witherspoon, 32 and Gyllenhaal, 27, began quietly dating in April 2007. They recently were seen together in Paris with Witherspoon's kids.
Reporting by JULIE JORDAN