Chris Brown is already having a bad influence on Rihanna, since they’ve got back together – or is it the other way round? Either way, the controversial couple sure knew how to get tongues wagging at the Grammys at the weekend, with the pair reportedly celebrating the evening by lighting up a marijuana joint and having a smoke at the music event’s after party.

Of course, Chris Brown and Rihanna were making Grammys headlines four years ago for even darker reasons, when it was revealed that Brown had physically assaulted the pop star in their car. Despite the consternation of the rest of the world, though, the pair have managed to reconcile and are, as we understand it, back in a relationship together. TMZ reports that Rihanna won the seventh Grammy of her career and subsequently decided to pop back to an afterparty at the Supperclub in Los Angeles with Brown in tow. Sources say the venue was acrid with the smell of pot smoke.

The pair were spotted leaving the party at about 3:20am in the morning, with Brown driving – slightly worrying if they were wasted as TMZ’s sources claimed they are. And of course, we all know what happened last time they were together in a car around the time of the Grammys...