Just to ram the point home that Rihanna likes a) collaborating with Calvin Harris and b) raunchy videos, the singer’s latest bit of audio-visual stimulation is a) a collaboration with Calvin Harris, and b) a raunchy video. Just to spice things up, this one features Dr. Luke on co-production, which means that once you get past a practically identical hand-clap build up to ‘We Found Love’ (the last Harris collaboration), you drop straight into electro-fizz Hell. Will.i.am says: TIP!