There are 23 films in this list released in the 2000s available on Amazon Video US.
List by hailey Patron
If you like this romcom, watch this older (and probably better) romcom
2003
A witty battle of the sexes with elements of comedies of remarriage, reminiscent of old Hollywood screwballs and sex comedies.
2003
Intolerable Cruelty is inspired by the comedy of remarriage subgenre that The Awful Truth is the pinnacle of.
2003
Down With Love is an affectionate parody of 50s/60s sex comedies, specifically Pillow Talk and Lover Come Back (both starring Doris/Rock/Tony) and Sex and the Single Girl. Tony Randall cameos in his final role.