The Monte Carlo Tennis Masters were attended by Prince Albert and Princess Charlene

Princesses Chiara and Carolina Bourbon send fans wild with Monte Carlo outfits. The Monte Carlo Masters is one of the biggest tennis championships in the world. Princesses Carolina and Chiara wore the outfits at the Monte Carlo event on Sunday. The event is a major tennis tournament in Monte Carlo, Spain.

Prince Albert and Princess Charlene attended the Monte Carlo Tennis Masters. It's unclear why Princess Gabriella didn't attend the event in Monte Carlo. The royal couple opted for matching suit ensembles as they stepped out with their son Prince Jacques. Prince Jacques is Prince Jacques's cousin.

Princesses Maria Carolina, 20, and Princess Chiara, 19, in Monte Carlo. The Italian heiresses, 19 and 20, were chic in pastel blouses and denim. Chiara opted to complete her simple ensemble with a bright red baseball cap. Maria Carolina and Chiara were seen in Monaco.