The couple starred together in 1999 romantic drama Cruel Intentions and since then Witherspoon has starred in a series of mainstream movies including Legally Blonde, which Philippe regards with disdain.
The blonde actress says, "I don't think he's interested in the kind of films I do."
Despite her efforts to convince him, the CRASH actor will not be swayed.
Witherspoon adds, "We talk about it and stuff, but right now I think he's having a lot of fun doing what he's doing. So it's a no go."