Karrueche Tran & Chris Brown Instagram Break-Up? Rapper Deletes Sexy Thong PHOTO, 'Cute Couple' Pics Mysteriously Disappear, Rihanna To Blame?

Since Chris Brown's release from jail, the infamous rapper's been spotted constantly canoodling with on-and-off again girlfriend, Karrueche Tran. But did the popular Hollywood couple break-up yet again!?

As Mstars previously reported, Breezy recently posted this rather racy snapshot on Instagram, showing-off his model sweetheart's sexy booty:

Funny thing is - several photos of Tran originally posted on Brown's official account have since been deleted. Check it out:

Same goes for Tran - she just deleted this "cute couple" pic from her Instagram, which was posted last week:

So, what's up with that? Did the couple separate, over social media!? Wonder if Breezy still has a thing for Rihanna... and Tran just couldn't take the drama and heartbreak.

What do Mstars readers think?