Here are some popular romantic comedy films from the 90s:
1. "Pretty Woman" (1990) - A wealthy businessman hires a prostitute to accompany him to social events, but they end up falling in love.
2. "Four Weddings and a Funeral" (1994) - A British man falls for an American woman he keeps meeting at various weddings and a funeral.
3. "Notting Hill" (1999) - A famous actress and a bookstore owner form an unlikely romance in the bustling neighborhood of Notting Hill, London.
4. "Sleepless in Seattle" (1993) - A widower's son calls a radio talk show to find a new partner for his father, leading to a connection with a woman across the country.
5. "10 Things I Hate About You" (1999) - A high school student attempts to win the heart of a girl by finding someone to date her ill-tempered sister.
Please note that these are just a few examples, and there are many more delightful romantic comedies from the 90s. Enjoy your movie marathon!