Leslie Mann went full Robin Thicke on Cameron Diaz last night ... grabbing a handful of booty at the London premiere of their new movie "The Other Woman."
No disrespect to Cameron, but with Kate Upton standing just two feet away ... Leslie made a poor choice.
on the Red Carpet
4/3/2014 6:15 AM PDT BY TMZ STAFF
Get TMZ Breaking News alerts to your inbox