Rihanna and Travis Barker are ready to rock.
![](https://images.toofab.com/image/51/o/2010/04/12/51f613604bd85b8496e3b3006b6fb55e_md.jpg)
Travis posted this photo on his Twitter this morning of he and RiRi on the set of a music video last night -- most likely for Rihanna's latest single "Rockstar 101."
As we previously reported, Barker has also been teaching the pop princess how to play the drums for her upcoming tour.