PHOTO: Rihanna Posts Sexy, Wet Pic of Nicki Minaj on Instagram

Rihanna decided to say “hi” to her friend Nicki Minaj today on Twitter and Instagram by posting this sexy photo of Nicki.

Hi Nicki! #CaribbeanGirlzRunIt http://t.co/Y4SmE7kHa6

— Rihanna (@rihanna) August 29, 2013

Nicki’s response was to “Ask RiRi!!!!!” about it.

Ask RiRi!!!!! ~ > RT “@rihanna: Hi Nicki! #CaribbeanGirlzRunIt http://t.co/8LR2ZB9Y8M”

— IG: @NickiMinaj (@NICKIMINAJ) August 29, 2013

But, who’s wondering what prompted RiRi to post the photo?