Rihanna has proved her romance with Chris Brown is still going strong,  spending her 25th birthday with the R&B bad boy in Hawaii.

Despite reports suggesting the pair may have split, Rih took to Instagram  yesterday to share a snap of herself sitting on Breezy’s lap – showing off her  assets in a bikini and fishnet skirt.

Chris can be seen wearing dark sunglasses in the image as he sports a stern  expression, while the Bajan Babe playfully pokes her tongue out at the  camera. Along with the pic, she wrote: “Pour it up pour it up!  #birthdaybehavior.”

The couple were later seen taking a romantic stroll by the water, with Brown  taking RiRi by the hand and leading her on their walk.

Rihanna also tweeted a snap of herself with Chris from her surprise 20th  birthday party, accompanied with the caption: “‪#throwbackRiRi‬ my surprise 20th  birthday party!! Im an old b*tch now! Thank God for His gifts and His…”

As well as partying with Brown, Rihanna’s pal Katy Perry also wished the star  a happy birthday, tweeting: “HAPPIEST 25TH BIRTHDAY to my baby girl ‪@rihanna‬! I wish I could b there drinking Mai-Tais & telling haters to eat a d*ck  w/u!”

Earlier this week, RiRi also hit the headlines after her dad Ronald Fenty  said he would be “ecstatic” if she married Breezy.

Check out the birthday photos below: