GALLERY: Charlotte Casiraghi, Princess Caroline and Beatrice Borromeo glam up for Monaco's Rose Ball

Every year, the royal family of Monaco kick off party season with the annual Bal de la Rose or Rose Ball. This year was no different, as the event lit up the Salle des Etoiles restaurant, at the Monte-Carlo Sporting Club, with unparalleled glitz and glamour. Holding a Manhattan Ball theme, the affair was yet again expertly designed by Karl Lagerfeld. Princess Caroline, Pierre Casiraghi and Charlotte Casiraghi made a splash with their style and dates.

Click through to see the best photos from the outing, which benefited the Princess Grace Foundation!

Glamorous group! Pierre Casiraghi and his wife Beatrice, Princess Alexandra of Hanover, Charlotte Casiraghi and her love Dimitri Rassam and other guests brought their style A-game to the Rose Ball 2018 on 24 March.

Royal onlookers were ecstatic to see that Charlotte Casiraghi brought Dimitri Rassam as her date to the high society event this time around. Princess Caroline's 31-year-old looked lovely in a black gown that featured an off-the-shoulder pouf.

The couple are set to marry this summer.

Pierre Casiraghi and Beatrice Borromeo had a date night at the wonderful ball. The couple looked dapper in all black, with Beatrice opting for an Alberta Ferreti dress that had a ruffled train.

Beatrice has been keeping her second pregnancy under wraps for months, but seemed to reveal with her figure-hugging dress that they couple are indeed expecting their second child.

Princess Alexandra of Hanover also brought a date to the gala! The 18-year-old had boyfriend Ben Sylvester on her side. Seen here, the pair posed for a photo with a fellow guest.

Princess Caroline once again made her entrance with designer Karl Lagerfeld, the night's creative director, by her side. Princess Grace's eldest daughter exuded elegance in a pink frock, which she accessorised with a silver starfish necklace. 

The powerful pair were greeted by a sweet ballerina, who handed Caroline flowers which perfectly complemented her dress.

The Monte-Carlo Sporting Club was dressed to the nines for the ocassion, pink and red colors popping against the rows of golden chairs.