Newly single Rihanna shows off bikini bod on hols. Er, gutted much Chris Brown?

Rihanna has wasted no time in showing Chris Brown what he is missing.

And here's what you could have won, Chris. Copyright: [Instagram]

No, not second hand smoke inhalation although we are sure he is missing that too.

Rather, Rihanna's hot bikini bod.

Related Article: [Rihanna launches fashion line, turns up 50 minutes late]

Related Article: [Chris Brown and Rihanna split up AGAIN after Drake row]

Fresh from all her hard work launching her first fashion collection for River Island, Rihanna has jetted off for a well deserved break ahead of her 25th birthday celebrations.

And she just so kindly took to Instagram to share with us what a fabulously toned time she is having.

Rihanna has one hot bikini bod. Copyright: [Instagram]

We wonder if that bikini is available from River Island?

Anyone else wishing they had abs like Riri right now? Copyright: [Instagram]

One thing we do know, is that Chris Brown will be kicking himself when he sees these photos.

The couple apparently split up (yet again) after Rihanna was caught texting he ex Drake at the Grammys.

However, ol' Chris shouldn't kick himself too hard as knowing these two they'll be back together before the week is through.

In fact, has anyone got a stopwatch?

Rihanna launches fashion line + has bottle thrown at herRihanna's launched a clothing collection with River Island but it's not all good news as she cuts her knee when someone throws a bottle at here: