MAC partnered with Rihanna for a red lipstick named RiRi Woo. It was not available for very long. Rihanna tweeted
that the lipstick sold out online in just three hours.
It is not known how many lipsticks were made. The lipstick is also being sold in MAC stores and at Rihanna's concerts. MAC's website
says its collaboration with Rihanna will return this June.