Rihanna's currently in Hawaii enjoying the sun, sand and love in the air, as she acted as a bridesmaid at the wedding of her assistant and friend, Jennifer Rosales on Monday.

The "BBHMM" singer kept it classy in a floor-length lavender gown with flower embroidery. Before the ceremony, the bride and her girls hung out in customized wedding robes while enjoying some 4/20 activities together. Rihanna posted these messages congratulating the couple.

"#davis420wedding I can't believe this day is finally upon us!!!!! I'm so happy and so proud to see my big sis @jennnrosales and my big bro @the_aa become one today!!!"

"A wedding is a celebration of a marriage!!! That's what we gon do!!! Celebrate the marriage that we've been lucky enough to witness grow and evolve for all these years!!!!"

"#420 will never be the same again!!! God bless you both!!! And Jen you HAVE to take the Davis name b**ch!!! Pull it together (in my Jhat voice)!!! #CheersToTheDavis"

See flicks from the wedding above.

Source: Instagram